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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v7 13/41] mm: Make pte_mkwrite() take a VMA
Le 27/02/2023 à 23:29, Rick Edgecombe a écrit :
> The x86 Control-flow Enforcement Technology (CET) feature includes a new
> type of memory called shadow stack. This shadow stack memory has some
> unusual properties, which requires some core mm changes to function
> properly.
>
> One of these unusual properties is that shadow stack memory is writable,
> but only in limited ways. These limits are applied via a specific PTE
> bit combination. Nevertheless, the memory is writable, and core mm code
> will need to apply the writable permissions in the typical paths that
> call pte_mkwrite().
>
> In addition to VM_WRITE, the shadow stack VMA's will have a flag denoting
> that they are special shadow stack flavor of writable memory. So make
> pte_mkwrite() take a VMA, so that the x86 implementation of it can know to
> create regular writable memory or shadow stack memory.
>
> Apply the same changes for pmd_mkwrite() and huge_pte_mkwrite().
I'm not sure it is a good idea to add a second argument to
pte_mkwrite(). All pte_mkxxxx() only take a pte and nothing else.
I think you should do the same as commit d9ed9faac283 ("mm: add new
arch_make_huge_pte() method for tile support")
Christophe
>
> No functional change.
>
> Cc: linux-doc@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: linux-alpha@xxxxxxxxxxxxxxx
> Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-csky@xxxxxxxxxxxxxxx
> Cc: linux-hexagon@xxxxxxxxxxxxxxx
> Cc: linux-ia64@xxxxxxxxxxxxxxx
> Cc: loongarch@xxxxxxxxxxxxxxx
> Cc: linux-m68k@xxxxxxxxxxxxxxxxxxxx
> Cc: Michal Simek <monstr@xxxxxxxxx>
> Cc: Dinh Nguyen <dinguyen@xxxxxxxxxx>
> Cc: linux-mips@xxxxxxxxxxxxxxx
> Cc: linux-openrisc@xxxxxxxxxxxxxxx
> Cc: linux-parisc@xxxxxxxxxxxxxxx
> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
> Cc: linux-riscv@xxxxxxxxxxxxxxxxxxx
> Cc: linux-s390@xxxxxxxxxxxxxxx
> Cc: linux-sh@xxxxxxxxxxxxxxx
> Cc: sparclinux@xxxxxxxxxxxxxxx
> Cc: linux-um@xxxxxxxxxxxxxxxxxxx
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: linux-arch@xxxxxxxxxxxxxxx
> Cc: linux-mm@xxxxxxxxx
> Tested-by: Pengfei Xu <pengfei.xu@xxxxxxxxx>
> Tested-by: John Allen <john.allen@xxxxxxx>
> Tested-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Acked-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
> Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Acked-by: David Hildenbrand <david@xxxxxxxxxx>
> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Suggested-by: David Hildenbrand <david@xxxxxxxxxx>
> Signed-off-by: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>
>
> ---
> Hi Non-x86 Arch’s,
>
> x86 has a feature that allows for the creation of a special type of
> writable memory (shadow stack) that is only writable in limited specific
> ways. Previously, changes were proposed to core MM code to teach it to
> decide when to create normally writable memory or the special shadow stack
> writable memory, but David Hildenbrand suggested[0] to change
> pXX_mkwrite() to take a VMA, so awareness of shadow stack memory can be
> moved into x86 code.
>
> Since pXX_mkwrite() is defined in every arch, it requires some tree-wide
> changes. So that is why you are seeing some patches out of a big x86
> series pop up in your arch mailing list. There is no functional change.
> After this refactor, the shadow stack series goes on to use the arch
> helpers to push shadow stack memory details inside arch/x86.
>
> Testing was just 0-day build testing.
>
> Hopefully that is enough context. Thanks!
>
> [0]
> https://lore.kernel.org/lkml/0e29a2d0-08d8-bcd6-ff26-4bea0e4037b0@xxxxxxxxxx/#t
>
> v6:
> - New patch
> ---
> Documentation/mm/arch_pgtable_helpers.rst | 9 ++++++---
> arch/alpha/include/asm/pgtable.h | 6 +++++-
> arch/arc/include/asm/hugepage.h | 2 +-
> arch/arc/include/asm/pgtable-bits-arcv2.h | 7 ++++++-
> arch/arm/include/asm/pgtable-3level.h | 7 ++++++-
> arch/arm/include/asm/pgtable.h | 2 +-
> arch/arm64/include/asm/pgtable.h | 4 ++--
> arch/csky/include/asm/pgtable.h | 2 +-
> arch/hexagon/include/asm/pgtable.h | 2 +-
> arch/ia64/include/asm/pgtable.h | 2 +-
> arch/loongarch/include/asm/pgtable.h | 4 ++--
> arch/m68k/include/asm/mcf_pgtable.h | 2 +-
> arch/m68k/include/asm/motorola_pgtable.h | 6 +++++-
> arch/m68k/include/asm/sun3_pgtable.h | 6 +++++-
> arch/microblaze/include/asm/pgtable.h | 2 +-
> arch/mips/include/asm/pgtable.h | 6 +++---
> arch/nios2/include/asm/pgtable.h | 2 +-
> arch/openrisc/include/asm/pgtable.h | 2 +-
> arch/parisc/include/asm/pgtable.h | 6 +++++-
> arch/powerpc/include/asm/book3s/32/pgtable.h | 2 +-
> arch/powerpc/include/asm/book3s/64/pgtable.h | 4 ++--
> arch/powerpc/include/asm/nohash/32/pgtable.h | 2 +-
> arch/powerpc/include/asm/nohash/32/pte-8xx.h | 2 +-
> arch/powerpc/include/asm/nohash/64/pgtable.h | 2 +-
> arch/riscv/include/asm/pgtable.h | 6 +++---
> arch/s390/include/asm/hugetlb.h | 4 ++--
> arch/s390/include/asm/pgtable.h | 4 ++--
> arch/sh/include/asm/pgtable_32.h | 10 ++++++++--
> arch/sparc/include/asm/pgtable_32.h | 2 +-
> arch/sparc/include/asm/pgtable_64.h | 6 +++---
> arch/um/include/asm/pgtable.h | 2 +-
> arch/x86/include/asm/pgtable.h | 6 ++++--
> arch/xtensa/include/asm/pgtable.h | 2 +-
> include/asm-generic/hugetlb.h | 4 ++--
> include/linux/mm.h | 2 +-
> mm/debug_vm_pgtable.c | 16 ++++++++--------
> mm/huge_memory.c | 6 +++---
> mm/hugetlb.c | 4 ++--
> mm/memory.c | 4 ++--
> mm/migrate_device.c | 2 +-
> mm/mprotect.c | 2 +-
> mm/userfaultfd.c | 2 +-
> 42 files changed, 106 insertions(+), 69 deletions(-)
>
> diff --git a/Documentation/mm/arch_pgtable_helpers.rst
> b/Documentation/mm/arch_pgtable_helpers.rst
> index 30d9a09f01f4..78ac3ff2fe1d 100644
> --- a/Documentation/mm/arch_pgtable_helpers.rst
> +++ b/Documentation/mm/arch_pgtable_helpers.rst
> @@ -46,7 +46,8 @@ PTE Page Table Helpers
>
> +---------------------------+--------------------------------------------------+
> | pte_mkclean | Creates a clean PTE
> |
>
> +---------------------------+--------------------------------------------------+
> -| pte_mkwrite | Creates a writable PTE
> |
> +| pte_mkwrite | Creates a writable PTE of the type specified
> by |
> +| | the VMA.
> |
>
> +---------------------------+--------------------------------------------------+
> | pte_wrprotect | Creates a write protected PTE
> |
>
> +---------------------------+--------------------------------------------------+
> @@ -118,7 +119,8 @@ PMD Page Table Helpers
>
> +---------------------------+--------------------------------------------------+
> | pmd_mkclean | Creates a clean PMD
> |
>
> +---------------------------+--------------------------------------------------+
> -| pmd_mkwrite | Creates a writable PMD
> |
> +| pmd_mkwrite | Creates a writable PMD of the type specified
> by |
> +| | the VMA.
> |
>
> +---------------------------+--------------------------------------------------+
> | pmd_wrprotect | Creates a write protected PMD
> |
>
> +---------------------------+--------------------------------------------------+
> @@ -222,7 +224,8 @@ HugeTLB Page Table Helpers
>
> +---------------------------+--------------------------------------------------+
> | huge_pte_mkdirty | Creates a dirty HugeTLB
> |
>
> +---------------------------+--------------------------------------------------+
> -| huge_pte_mkwrite | Creates a writable HugeTLB
> |
> +| huge_pte_mkwrite | Creates a writable HugeTLB of the type
> specified |
> +| | by the VMA.
> |
>
> +---------------------------+--------------------------------------------------+
> | huge_pte_wrprotect | Creates a write protected HugeTLB
> |
>
> +---------------------------+--------------------------------------------------+
> diff --git a/arch/alpha/include/asm/pgtable.h
> b/arch/alpha/include/asm/pgtable.h
> index ba43cb841d19..fb5d207c2a89 100644
> --- a/arch/alpha/include/asm/pgtable.h
> +++ b/arch/alpha/include/asm/pgtable.h
> @@ -256,9 +256,13 @@ extern inline int pte_young(pte_t pte) {
> return pte_val(pte) & _PAGE_ACCESSED;
> extern inline pte_t pte_wrprotect(pte_t pte) { pte_val(pte) |=
> _PAGE_FOW; return pte; }
> extern inline pte_t pte_mkclean(pte_t pte) { pte_val(pte) &=
> ~(__DIRTY_BITS); return pte; }
> extern inline pte_t pte_mkold(pte_t pte) { pte_val(pte) &=
> ~(__ACCESS_BITS); return pte; }
> -extern inline pte_t pte_mkwrite(pte_t pte) { pte_val(pte) &= ~_PAGE_FOW;
> return pte; }
> extern inline pte_t pte_mkdirty(pte_t pte) { pte_val(pte) |= __DIRTY_BITS;
> return pte; }
> extern inline pte_t pte_mkyoung(pte_t pte) { pte_val(pte) |=
> __ACCESS_BITS; return pte; }
> +extern inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> +{
> + pte_val(pte) &= ~_PAGE_FOW;
> + return pte;
> +}
>
> /*
> * The smp_rmb() in the following functions are required to order the load
> of
> diff --git a/arch/arc/include/asm/hugepage.h b/arch/arc/include/asm/hugepage.h
> index 5001b796fb8d..223a96967188 100644
> --- a/arch/arc/include/asm/hugepage.h
> +++ b/arch/arc/include/asm/hugepage.h
> @@ -21,7 +21,7 @@ static inline pmd_t pte_pmd(pte_t pte)
> }
>
> #define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
> -#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd)))
> +#define pmd_mkwrite(pmd, vma) pte_pmd(pte_mkwrite(pmd_pte(pmd),
> (vma)))
> #define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
> #define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd)))
> #define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
> diff --git a/arch/arc/include/asm/pgtable-bits-arcv2.h
> b/arch/arc/include/asm/pgtable-bits-arcv2.h
> index 6e9f8ca6d6a1..a5b8bc955015 100644
> --- a/arch/arc/include/asm/pgtable-bits-arcv2.h
> +++ b/arch/arc/include/asm/pgtable-bits-arcv2.h
> @@ -87,7 +87,6 @@
>
> PTE_BIT_FUNC(mknotpresent, &= ~(_PAGE_PRESENT));
> PTE_BIT_FUNC(wrprotect, &= ~(_PAGE_WRITE));
> -PTE_BIT_FUNC(mkwrite, |= (_PAGE_WRITE));
> PTE_BIT_FUNC(mkclean, &= ~(_PAGE_DIRTY));
> PTE_BIT_FUNC(mkdirty, |= (_PAGE_DIRTY));
> PTE_BIT_FUNC(mkold, &= ~(_PAGE_ACCESSED));
> @@ -95,6 +94,12 @@ PTE_BIT_FUNC(mkyoung, |= (_PAGE_ACCESSED));
> PTE_BIT_FUNC(mkspecial, |= (_PAGE_SPECIAL));
> PTE_BIT_FUNC(mkhuge, |= (_PAGE_HW_SZ));
>
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> +{
> + pte_val(pte) |= (_PAGE_WRITE);
> + return pte;
> +}
> +
> static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
> {
> return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
> diff --git a/arch/arm/include/asm/pgtable-3level.h
> b/arch/arm/include/asm/pgtable-3level.h
> index 106049791500..df071a807610 100644
> --- a/arch/arm/include/asm/pgtable-3level.h
> +++ b/arch/arm/include/asm/pgtable-3level.h
> @@ -202,11 +202,16 @@ static inline pmd_t pmd_##fn(pmd_t pmd) { pmd_val(pmd)
> op; return pmd; }
>
> PMD_BIT_FUNC(wrprotect, |= L_PMD_SECT_RDONLY);
> PMD_BIT_FUNC(mkold, &= ~PMD_SECT_AF);
> -PMD_BIT_FUNC(mkwrite, &= ~L_PMD_SECT_RDONLY);
> PMD_BIT_FUNC(mkdirty, |= L_PMD_SECT_DIRTY);
> PMD_BIT_FUNC(mkclean, &= ~L_PMD_SECT_DIRTY);
> PMD_BIT_FUNC(mkyoung, |= PMD_SECT_AF);
>
> +static inline pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
> +{
> + pmd_val(pmd) |= L_PMD_SECT_RDONLY;
> + return pmd;
> +}
> +
> #define pmd_mkhuge(pmd) (__pmd(pmd_val(pmd) & ~PMD_TABLE_BIT))
>
> #define pmd_pfn(pmd) (((pmd_val(pmd) & PMD_MASK) &
> PHYS_MASK) >> PAGE_SHIFT)
> diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
> index a58ccbb406ad..39ad1ae1308d 100644
> --- a/arch/arm/include/asm/pgtable.h
> +++ b/arch/arm/include/asm/pgtable.h
> @@ -227,7 +227,7 @@ static inline pte_t pte_wrprotect(pte_t pte)
> return set_pte_bit(pte, __pgprot(L_PTE_RDONLY));
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return clear_pte_bit(pte, __pgprot(L_PTE_RDONLY));
> }
> diff --git a/arch/arm64/include/asm/pgtable.h
> b/arch/arm64/include/asm/pgtable.h
> index cccf8885792e..913bf370f74a 100644
> --- a/arch/arm64/include/asm/pgtable.h
> +++ b/arch/arm64/include/asm/pgtable.h
> @@ -187,7 +187,7 @@ static inline pte_t pte_mkwrite_kernel(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return pte_mkwrite_kernel(pte);
> }
> @@ -492,7 +492,7 @@ static inline int pmd_trans_huge(pmd_t pmd)
> #define pmd_cont(pmd) pte_cont(pmd_pte(pmd))
> #define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
> #define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd)))
> -#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd)))
> +#define pmd_mkwrite(pmd, vma) pte_pmd(pte_mkwrite(pmd_pte(pmd),
> (vma)))
> #define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
> #define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
> #define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
> diff --git a/arch/csky/include/asm/pgtable.h b/arch/csky/include/asm/pgtable.h
> index d4042495febc..c2f92c991e37 100644
> --- a/arch/csky/include/asm/pgtable.h
> +++ b/arch/csky/include/asm/pgtable.h
> @@ -176,7 +176,7 @@ static inline pte_t pte_mkold(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> pte_val(pte) |= _PAGE_WRITE;
> if (pte_val(pte) & _PAGE_MODIFIED)
> diff --git a/arch/hexagon/include/asm/pgtable.h
> b/arch/hexagon/include/asm/pgtable.h
> index 59393613d086..14ab9c789c0e 100644
> --- a/arch/hexagon/include/asm/pgtable.h
> +++ b/arch/hexagon/include/asm/pgtable.h
> @@ -300,7 +300,7 @@ static inline pte_t pte_wrprotect(pte_t pte)
> }
>
> /* pte_mkwrite - mark page as writable */
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> pte_val(pte) |= _PAGE_WRITE;
> return pte;
> diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
> index 21c97e31a28a..f879dd626da6 100644
> --- a/arch/ia64/include/asm/pgtable.h
> +++ b/arch/ia64/include/asm/pgtable.h
> @@ -268,7 +268,7 @@ ia64_phys_addr_valid (unsigned long addr)
> * access rights:
> */
> #define pte_wrprotect(pte) (__pte(pte_val(pte) & ~_PAGE_AR_RW))
> -#define pte_mkwrite(pte) (__pte(pte_val(pte) | _PAGE_AR_RW))
> +#define pte_mkwrite(pte, vma) (__pte(pte_val(pte) | _PAGE_AR_RW))
> #define pte_mkold(pte) (__pte(pte_val(pte) & ~_PAGE_A))
> #define pte_mkyoung(pte) (__pte(pte_val(pte) | _PAGE_A))
> #define pte_mkclean(pte) (__pte(pte_val(pte) & ~_PAGE_D))
> diff --git a/arch/loongarch/include/asm/pgtable.h
> b/arch/loongarch/include/asm/pgtable.h
> index d28fb9dbec59..ebf645f40298 100644
> --- a/arch/loongarch/include/asm/pgtable.h
> +++ b/arch/loongarch/include/asm/pgtable.h
> @@ -390,7 +390,7 @@ static inline pte_t pte_mkdirty(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> pte_val(pte) |= _PAGE_WRITE;
> if (pte_val(pte) & _PAGE_MODIFIED)
> @@ -490,7 +490,7 @@ static inline int pmd_write(pmd_t pmd)
> return !!(pmd_val(pmd) & _PAGE_WRITE);
> }
>
> -static inline pmd_t pmd_mkwrite(pmd_t pmd)
> +static inline pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
> {
> pmd_val(pmd) |= _PAGE_WRITE;
> if (pmd_val(pmd) & _PAGE_MODIFIED)
> diff --git a/arch/m68k/include/asm/mcf_pgtable.h
> b/arch/m68k/include/asm/mcf_pgtable.h
> index 13741c1245e1..37d77e055016 100644
> --- a/arch/m68k/include/asm/mcf_pgtable.h
> +++ b/arch/m68k/include/asm/mcf_pgtable.h
> @@ -211,7 +211,7 @@ static inline pte_t pte_mkold(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> pte_val(pte) |= CF_PAGE_WRITABLE;
> return pte;
> diff --git a/arch/m68k/include/asm/motorola_pgtable.h
> b/arch/m68k/include/asm/motorola_pgtable.h
> index ec0dc19ab834..c4e8eb76286d 100644
> --- a/arch/m68k/include/asm/motorola_pgtable.h
> +++ b/arch/m68k/include/asm/motorola_pgtable.h
> @@ -155,7 +155,6 @@ static inline int pte_young(pte_t pte) {
> return pte_val(pte) & _PAGE_ACCESSED;
> static inline pte_t pte_wrprotect(pte_t pte) { pte_val(pte) |=
> _PAGE_RONLY; return pte; }
> static inline pte_t pte_mkclean(pte_t pte) { pte_val(pte) &= ~_PAGE_DIRTY;
> return pte; }
> static inline pte_t pte_mkold(pte_t pte) { pte_val(pte) &=
> ~_PAGE_ACCESSED; return pte; }
> -static inline pte_t pte_mkwrite(pte_t pte) { pte_val(pte) &= ~_PAGE_RONLY;
> return pte; }
> static inline pte_t pte_mkdirty(pte_t pte) { pte_val(pte) |= _PAGE_DIRTY;
> return pte; }
> static inline pte_t pte_mkyoung(pte_t pte) { pte_val(pte) |=
> _PAGE_ACCESSED; return pte; }
> static inline pte_t pte_mknocache(pte_t pte)
> @@ -168,6 +167,11 @@ static inline pte_t pte_mkcache(pte_t pte)
> pte_val(pte) = (pte_val(pte) & _CACHEMASK040) |
> m68k_supervisor_cachemode;
> return pte;
> }
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> +{
> + pte_val(pte) &= ~_PAGE_RONLY;
> + return pte;
> +}
>
> #define swapper_pg_dir kernel_pg_dir
> extern pgd_t kernel_pg_dir[128];
> diff --git a/arch/m68k/include/asm/sun3_pgtable.h
> b/arch/m68k/include/asm/sun3_pgtable.h
> index e582b0484a55..2a06bea51a1e 100644
> --- a/arch/m68k/include/asm/sun3_pgtable.h
> +++ b/arch/m68k/include/asm/sun3_pgtable.h
> @@ -143,10 +143,14 @@ static inline int pte_young(pte_t pte) {
> return pte_val(pte) & SUN3_PAGE_ACCESS
> static inline pte_t pte_wrprotect(pte_t pte) { pte_val(pte) &=
> ~SUN3_PAGE_WRITEABLE; return pte; }
> static inline pte_t pte_mkclean(pte_t pte) { pte_val(pte) &=
> ~SUN3_PAGE_MODIFIED; return pte; }
> static inline pte_t pte_mkold(pte_t pte) { pte_val(pte) &=
> ~SUN3_PAGE_ACCESSED; return pte; }
> -static inline pte_t pte_mkwrite(pte_t pte) { pte_val(pte) |=
> SUN3_PAGE_WRITEABLE; return pte; }
> static inline pte_t pte_mkdirty(pte_t pte) { pte_val(pte) |=
> SUN3_PAGE_MODIFIED; return pte; }
> static inline pte_t pte_mkyoung(pte_t pte) { pte_val(pte) |=
> SUN3_PAGE_ACCESSED; return pte; }
> static inline pte_t pte_mknocache(pte_t pte) { pte_val(pte) |=
> SUN3_PAGE_NOCACHE; return pte; }
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> +{
> + pte_val(pte) |= SUN3_PAGE_WRITEABLE;
> + return pte;
> +}
> // use this version when caches work...
> //static inline pte_t pte_mkcache(pte_t pte) { pte_val(pte) &=
> SUN3_PAGE_NOCACHE; return pte; }
> // until then, use:
> diff --git a/arch/microblaze/include/asm/pgtable.h
> b/arch/microblaze/include/asm/pgtable.h
> index d1b8272abcd9..5b83e82f8d7e 100644
> --- a/arch/microblaze/include/asm/pgtable.h
> +++ b/arch/microblaze/include/asm/pgtable.h
> @@ -266,7 +266,7 @@ static inline pte_t pte_mkread(pte_t pte) \
> { pte_val(pte) |= _PAGE_USER; return pte; }
> static inline pte_t pte_mkexec(pte_t pte) \
> { pte_val(pte) |= _PAGE_USER | _PAGE_EXEC; return pte; }
> -static inline pte_t pte_mkwrite(pte_t pte) \
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma) \
> { pte_val(pte) |= _PAGE_RW; return pte; }
> static inline pte_t pte_mkdirty(pte_t pte) \
> { pte_val(pte) |= _PAGE_DIRTY; return pte; }
> diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
> index 791389bf3c12..06efd567144a 100644
> --- a/arch/mips/include/asm/pgtable.h
> +++ b/arch/mips/include/asm/pgtable.h
> @@ -309,7 +309,7 @@ static inline pte_t pte_mkold(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> pte.pte_low |= _PAGE_WRITE;
> if (pte.pte_low & _PAGE_MODIFIED) {
> @@ -364,7 +364,7 @@ static inline pte_t pte_mkold(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> pte_val(pte) |= _PAGE_WRITE;
> if (pte_val(pte) & _PAGE_MODIFIED)
> @@ -626,7 +626,7 @@ static inline pmd_t pmd_wrprotect(pmd_t pmd)
> return pmd;
> }
>
> -static inline pmd_t pmd_mkwrite(pmd_t pmd)
> +static inline pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
> {
> pmd_val(pmd) |= _PAGE_WRITE;
> if (pmd_val(pmd) & _PAGE_MODIFIED)
> diff --git a/arch/nios2/include/asm/pgtable.h
> b/arch/nios2/include/asm/pgtable.h
> index 0f5c2564e9f5..edd458518e0e 100644
> --- a/arch/nios2/include/asm/pgtable.h
> +++ b/arch/nios2/include/asm/pgtable.h
> @@ -129,7 +129,7 @@ static inline pte_t pte_mkold(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> pte_val(pte) |= _PAGE_WRITE;
> return pte;
> diff --git a/arch/openrisc/include/asm/pgtable.h
> b/arch/openrisc/include/asm/pgtable.h
> index 3eb9b9555d0d..fd40aec189d1 100644
> --- a/arch/openrisc/include/asm/pgtable.h
> +++ b/arch/openrisc/include/asm/pgtable.h
> @@ -250,7 +250,7 @@ static inline pte_t pte_mkold(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> pte_val(pte) |= _PAGE_WRITE;
> return pte;
> diff --git a/arch/parisc/include/asm/pgtable.h
> b/arch/parisc/include/asm/pgtable.h
> index e2950f5db7c9..89f62137e67f 100644
> --- a/arch/parisc/include/asm/pgtable.h
> +++ b/arch/parisc/include/asm/pgtable.h
> @@ -331,8 +331,12 @@ static inline pte_t pte_mkold(pte_t pte) { pte_val(pte)
> &= ~_PAGE_ACCESSED; retu
> static inline pte_t pte_wrprotect(pte_t pte) { pte_val(pte) &=
> ~_PAGE_WRITE; return pte; }
> static inline pte_t pte_mkdirty(pte_t pte) { pte_val(pte) |= _PAGE_DIRTY;
> return pte; }
> static inline pte_t pte_mkyoung(pte_t pte) { pte_val(pte) |=
> _PAGE_ACCESSED; return pte; }
> -static inline pte_t pte_mkwrite(pte_t pte) { pte_val(pte) |= _PAGE_WRITE;
> return pte; }
> static inline pte_t pte_mkspecial(pte_t pte) { pte_val(pte) |=
> _PAGE_SPECIAL; return pte; }
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> +{
> + pte_val(pte) |= _PAGE_WRITE;
> + return pte;
> +}
>
> /*
> * Huge pte definitions.
> diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h
> b/arch/powerpc/include/asm/book3s/32/pgtable.h
> index 7bf1fe7297c6..10d9a1d2aca9 100644
> --- a/arch/powerpc/include/asm/book3s/32/pgtable.h
> +++ b/arch/powerpc/include/asm/book3s/32/pgtable.h
> @@ -498,7 +498,7 @@ static inline pte_t pte_mkpte(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return __pte(pte_val(pte) | _PAGE_RW);
> }
> diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
> b/arch/powerpc/include/asm/book3s/64/pgtable.h
> index 4acc9690f599..be0636522d36 100644
> --- a/arch/powerpc/include/asm/book3s/64/pgtable.h
> +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
> @@ -600,7 +600,7 @@ static inline pte_t pte_mkexec(pte_t pte)
> return __pte_raw(pte_raw(pte) | cpu_to_be64(_PAGE_EXEC));
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> /*
> * write implies read, hence set both
> @@ -1071,7 +1071,7 @@ static inline pte_t *pmdp_ptep(pmd_t *pmd)
> #define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
> #define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
> #define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
> -#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd)))
> +#define pmd_mkwrite(pmd, vma) pte_pmd(pte_mkwrite(pmd_pte(pmd),
> (vma)))
>
> #ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
> #define pmd_soft_dirty(pmd) pte_soft_dirty(pmd_pte(pmd))
> diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h
> b/arch/powerpc/include/asm/nohash/32/pgtable.h
> index fec56d965f00..7bfbcb9ba55b 100644
> --- a/arch/powerpc/include/asm/nohash/32/pgtable.h
> +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
> @@ -171,7 +171,7 @@ void unmap_kernel_page(unsigned long va);
> do { pte_update(mm, addr, ptep, ~0, 0, 0); } while (0)
>
> #ifndef pte_mkwrite
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return __pte(pte_val(pte) | _PAGE_RW);
> }
> diff --git a/arch/powerpc/include/asm/nohash/32/pte-8xx.h
> b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
> index 1a89ebdc3acc..f32450eb270a 100644
> --- a/arch/powerpc/include/asm/nohash/32/pte-8xx.h
> +++ b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
> @@ -101,7 +101,7 @@ static inline int pte_write(pte_t pte)
>
> #define pte_write pte_write
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return __pte(pte_val(pte) & ~_PAGE_RO);
> }
> diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h
> b/arch/powerpc/include/asm/nohash/64/pgtable.h
> index 287e25864ffa..589009555877 100644
> --- a/arch/powerpc/include/asm/nohash/64/pgtable.h
> +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h
> @@ -85,7 +85,7 @@
> #ifndef __ASSEMBLY__
> /* pte_clear moved to later in this file */
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return __pte(pte_val(pte) | _PAGE_RW);
> }
> diff --git a/arch/riscv/include/asm/pgtable.h
> b/arch/riscv/include/asm/pgtable.h
> index d8d8de0ded99..fed1b81fbe07 100644
> --- a/arch/riscv/include/asm/pgtable.h
> +++ b/arch/riscv/include/asm/pgtable.h
> @@ -338,7 +338,7 @@ static inline pte_t pte_wrprotect(pte_t pte)
>
> /* static inline pte_t pte_mkread(pte_t pte) */
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return __pte(pte_val(pte) | _PAGE_WRITE);
> }
> @@ -624,9 +624,9 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd)
> return pte_pmd(pte_mkyoung(pmd_pte(pmd)));
> }
>
> -static inline pmd_t pmd_mkwrite(pmd_t pmd)
> +static inline pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
> {
> - return pte_pmd(pte_mkwrite(pmd_pte(pmd)));
> + return pte_pmd(pte_mkwrite(pmd_pte(pmd), vma));
> }
>
> static inline pmd_t pmd_wrprotect(pmd_t pmd)
> diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
> index ccdbccfde148..558f7eef9c4d 100644
> --- a/arch/s390/include/asm/hugetlb.h
> +++ b/arch/s390/include/asm/hugetlb.h
> @@ -102,9 +102,9 @@ static inline int huge_pte_dirty(pte_t pte)
> return pte_dirty(pte);
> }
>
> -static inline pte_t huge_pte_mkwrite(pte_t pte)
> +static inline pte_t huge_pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> - return pte_mkwrite(pte);
> + return pte_mkwrite(pte, vma);
> }
>
> static inline pte_t huge_pte_mkdirty(pte_t pte)
> diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
> index deeb918cae1d..8f2c743da0eb 100644
> --- a/arch/s390/include/asm/pgtable.h
> +++ b/arch/s390/include/asm/pgtable.h
> @@ -1013,7 +1013,7 @@ static inline pte_t pte_mkwrite_kernel(pte_t pte)
> return pte;
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return pte_mkwrite_kernel(pte);
> }
> @@ -1499,7 +1499,7 @@ static inline pmd_t pmd_mkwrite_kernel(pmd_t pmd)
> return pmd;
> }
>
> -static inline pmd_t pmd_mkwrite(pmd_t pmd)
> +static inline pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
> {
> return pmd_mkwrite_kernel(pmd);
> }
> diff --git a/arch/sh/include/asm/pgtable_32.h
> b/arch/sh/include/asm/pgtable_32.h
> index 21952b094650..9f2dcb9eafc8 100644
> --- a/arch/sh/include/asm/pgtable_32.h
> +++ b/arch/sh/include/asm/pgtable_32.h
> @@ -351,6 +351,12 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
>
> #define PTE_BIT_FUNC(h,fn,op) \
> static inline pte_t pte_##fn(pte_t pte) { pte.pte_##h op; return pte; }
> +#define PTE_BIT_FUNC_VMA(h,fn,op) \
> +static inline pte_t pte_##fn(pte_t pte, struct vm_area_struct *vma) \
> +{ \
> + pte.pte_##h op; \
> + return pte; \
> +}
>
> #ifdef CONFIG_X2TLB
> /*
> @@ -359,11 +365,11 @@ static inline pte_t pte_##fn(pte_t pte) { pte.pte_##h
> op; return pte; }
> * kernel permissions), we attempt to couple them a bit more sanely here.
> */
> PTE_BIT_FUNC(high, wrprotect, &= ~(_PAGE_EXT_USER_WRITE |
> _PAGE_EXT_KERN_WRITE));
> -PTE_BIT_FUNC(high, mkwrite, |= _PAGE_EXT_USER_WRITE | _PAGE_EXT_KERN_WRITE);
> +PTE_BIT_FUNC_VMA(high, mkwrite, |= _PAGE_EXT_USER_WRITE |
> _PAGE_EXT_KERN_WRITE);
> PTE_BIT_FUNC(high, mkhuge, |= _PAGE_SZHUGE);
> #else
> PTE_BIT_FUNC(low, wrprotect, &= ~_PAGE_RW);
> -PTE_BIT_FUNC(low, mkwrite, |= _PAGE_RW);
> +PTE_BIT_FUNC_VMA(low, mkwrite, |= _PAGE_RW);
> PTE_BIT_FUNC(low, mkhuge, |= _PAGE_SZHUGE);
> #endif
>
> diff --git a/arch/sparc/include/asm/pgtable_32.h
> b/arch/sparc/include/asm/pgtable_32.h
> index d4330e3c57a6..3e8836179456 100644
> --- a/arch/sparc/include/asm/pgtable_32.h
> +++ b/arch/sparc/include/asm/pgtable_32.h
> @@ -241,7 +241,7 @@ static inline pte_t pte_mkold(pte_t pte)
> return __pte(pte_val(pte) & ~SRMMU_REF);
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return __pte(pte_val(pte) | SRMMU_WRITE);
> }
> diff --git a/arch/sparc/include/asm/pgtable_64.h
> b/arch/sparc/include/asm/pgtable_64.h
> index 2dc8d4641734..c5cd5c03f557 100644
> --- a/arch/sparc/include/asm/pgtable_64.h
> +++ b/arch/sparc/include/asm/pgtable_64.h
> @@ -466,7 +466,7 @@ static inline pte_t pte_mkclean(pte_t pte)
> return __pte(val);
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> unsigned long val = pte_val(pte), mask;
>
> @@ -756,11 +756,11 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd)
> return __pmd(pte_val(pte));
> }
>
> -static inline pmd_t pmd_mkwrite(pmd_t pmd)
> +static inline pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
> {
> pte_t pte = __pte(pmd_val(pmd));
>
> - pte = pte_mkwrite(pte);
> + pte = pte_mkwrite(pte, vma);
>
> return __pmd(pte_val(pte));
> }
> diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
> index a70d1618eb35..963479c133b7 100644
> --- a/arch/um/include/asm/pgtable.h
> +++ b/arch/um/include/asm/pgtable.h
> @@ -207,7 +207,7 @@ static inline pte_t pte_mkyoung(pte_t pte)
> return(pte);
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> if (unlikely(pte_get_bits(pte, _PAGE_RW)))
> return pte;
> diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
> index 3607f2572f9e..66c514808276 100644
> --- a/arch/x86/include/asm/pgtable.h
> +++ b/arch/x86/include/asm/pgtable.h
> @@ -369,7 +369,9 @@ static inline pte_t pte_mkwrite_kernel(pte_t pte)
> return pte_set_flags(pte, _PAGE_RW);
> }
>
> -static inline pte_t pte_mkwrite(pte_t pte)
> +struct vm_area_struct;
> +
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> return pte_mkwrite_kernel(pte);
> }
> @@ -470,7 +472,7 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd)
> return pmd_set_flags(pmd, _PAGE_ACCESSED);
> }
>
> -static inline pmd_t pmd_mkwrite(pmd_t pmd)
> +static inline pmd_t pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
> {
> return pmd_set_flags(pmd, _PAGE_RW);
> }
> diff --git a/arch/xtensa/include/asm/pgtable.h
> b/arch/xtensa/include/asm/pgtable.h
> index fc7a14884c6c..d72632d9c53c 100644
> --- a/arch/xtensa/include/asm/pgtable.h
> +++ b/arch/xtensa/include/asm/pgtable.h
> @@ -262,7 +262,7 @@ static inline pte_t pte_mkdirty(pte_t pte)
> { pte_val(pte) |= _PAGE_DIRTY; return pte; }
> static inline pte_t pte_mkyoung(pte_t pte)
> { pte_val(pte) |= _PAGE_ACCESSED; return pte; }
> -static inline pte_t pte_mkwrite(pte_t pte)
> +static inline pte_t pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> { pte_val(pte) |= _PAGE_WRITABLE; return pte; }
>
> #define pgprot_noncached(prot) \
> diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
> index d7f6335d3999..e86c830728de 100644
> --- a/include/asm-generic/hugetlb.h
> +++ b/include/asm-generic/hugetlb.h
> @@ -20,9 +20,9 @@ static inline unsigned long huge_pte_dirty(pte_t pte)
> return pte_dirty(pte);
> }
>
> -static inline pte_t huge_pte_mkwrite(pte_t pte)
> +static inline pte_t huge_pte_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> - return pte_mkwrite(pte);
> + return pte_mkwrite(pte, vma);
> }
>
> #ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 1f79667824eb..af652444fbba 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -1163,7 +1163,7 @@ void free_compound_page(struct page *page);
> static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
> {
> if (likely(vma->vm_flags & VM_WRITE))
> - pte = pte_mkwrite(pte);
> + pte = pte_mkwrite(pte, vma);
> return pte;
> }
>
> diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
> index af59cc7bd307..7bc5592900bc 100644
> --- a/mm/debug_vm_pgtable.c
> +++ b/mm/debug_vm_pgtable.c
> @@ -109,10 +109,10 @@ static void __init pte_basic_tests(struct
> pgtable_debug_args *args, int idx)
> WARN_ON(!pte_same(pte, pte));
> WARN_ON(!pte_young(pte_mkyoung(pte_mkold(pte))));
> WARN_ON(!pte_dirty(pte_mkdirty(pte_mkclean(pte))));
> - WARN_ON(!pte_write(pte_mkwrite(pte_wrprotect(pte))));
> + WARN_ON(!pte_write(pte_mkwrite(pte_wrprotect(pte), args->vma)));
> WARN_ON(pte_young(pte_mkold(pte_mkyoung(pte))));
> WARN_ON(pte_dirty(pte_mkclean(pte_mkdirty(pte))));
> - WARN_ON(pte_write(pte_wrprotect(pte_mkwrite(pte))));
> + WARN_ON(pte_write(pte_wrprotect(pte_mkwrite(pte, args->vma))));
> WARN_ON(pte_dirty(pte_wrprotect(pte_mkclean(pte))));
> WARN_ON(!pte_dirty(pte_wrprotect(pte_mkdirty(pte))));
> }
> @@ -153,7 +153,7 @@ static void __init pte_advanced_tests(struct
> pgtable_debug_args *args)
> pte = pte_mkclean(pte);
> set_pte_at(args->mm, args->vaddr, args->ptep, pte);
> flush_dcache_page(page);
> - pte = pte_mkwrite(pte);
> + pte = pte_mkwrite(pte, args->vma);
> pte = pte_mkdirty(pte);
> ptep_set_access_flags(args->vma, args->vaddr, args->ptep, pte, 1);
> pte = ptep_get(args->ptep);
> @@ -199,10 +199,10 @@ static void __init pmd_basic_tests(struct
> pgtable_debug_args *args, int idx)
> WARN_ON(!pmd_same(pmd, pmd));
> WARN_ON(!pmd_young(pmd_mkyoung(pmd_mkold(pmd))));
> WARN_ON(!pmd_dirty(pmd_mkdirty(pmd_mkclean(pmd))));
> - WARN_ON(!pmd_write(pmd_mkwrite(pmd_wrprotect(pmd))));
> + WARN_ON(!pmd_write(pmd_mkwrite(pmd_wrprotect(pmd), args->vma)));
> WARN_ON(pmd_young(pmd_mkold(pmd_mkyoung(pmd))));
> WARN_ON(pmd_dirty(pmd_mkclean(pmd_mkdirty(pmd))));
> - WARN_ON(pmd_write(pmd_wrprotect(pmd_mkwrite(pmd))));
> + WARN_ON(pmd_write(pmd_wrprotect(pmd_mkwrite(pmd, args->vma))));
> WARN_ON(pmd_dirty(pmd_wrprotect(pmd_mkclean(pmd))));
> WARN_ON(!pmd_dirty(pmd_wrprotect(pmd_mkdirty(pmd))));
> /*
> @@ -253,7 +253,7 @@ static void __init pmd_advanced_tests(struct
> pgtable_debug_args *args)
> pmd = pmd_mkclean(pmd);
> set_pmd_at(args->mm, vaddr, args->pmdp, pmd);
> flush_dcache_page(page);
> - pmd = pmd_mkwrite(pmd);
> + pmd = pmd_mkwrite(pmd, args->vma);
> pmd = pmd_mkdirty(pmd);
> pmdp_set_access_flags(args->vma, vaddr, args->pmdp, pmd, 1);
> pmd = READ_ONCE(*args->pmdp);
> @@ -928,8 +928,8 @@ static void __init hugetlb_basic_tests(struct
> pgtable_debug_args *args)
> pte = mk_huge_pte(page, args->page_prot);
>
> WARN_ON(!huge_pte_dirty(huge_pte_mkdirty(pte)));
> - WARN_ON(!huge_pte_write(huge_pte_mkwrite(huge_pte_wrprotect(pte))));
> - WARN_ON(huge_pte_write(huge_pte_wrprotect(huge_pte_mkwrite(pte))));
> + WARN_ON(!huge_pte_write(huge_pte_mkwrite(huge_pte_wrprotect(pte),
> args->vma)));
> + WARN_ON(huge_pte_write(huge_pte_wrprotect(huge_pte_mkwrite(pte,
> args->vma))));
>
> #ifdef CONFIG_ARCH_WANT_GENERAL_HUGETLB
> pte = pfn_pte(args->fixed_pmd_pfn, args->page_prot);
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index 4fc43859e59a..aaf815838144 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -555,7 +555,7 @@ __setup("transparent_hugepage=",
> setup_transparent_hugepage);
> pmd_t maybe_pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma)
> {
> if (likely(vma->vm_flags & VM_WRITE))
> - pmd = pmd_mkwrite(pmd);
> + pmd = pmd_mkwrite(pmd, vma);
> return pmd;
> }
>
> @@ -1580,7 +1580,7 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf)
> pmd = pmd_modify(oldpmd, vma->vm_page_prot);
> pmd = pmd_mkyoung(pmd);
> if (writable)
> - pmd = pmd_mkwrite(pmd);
> + pmd = pmd_mkwrite(pmd, vma);
> set_pmd_at(vma->vm_mm, haddr, vmf->pmd, pmd);
> update_mmu_cache_pmd(vma, vmf->address, vmf->pmd);
> spin_unlock(vmf->ptl);
> @@ -1926,7 +1926,7 @@ int change_huge_pmd(struct mmu_gather *tlb, struct
> vm_area_struct *vma,
> /* See change_pte_range(). */
> if ((cp_flags & MM_CP_TRY_CHANGE_WRITABLE) && !pmd_write(entry) &&
> can_change_pmd_writable(vma, addr, entry))
> - entry = pmd_mkwrite(entry);
> + entry = pmd_mkwrite(entry, vma);
>
> ret = HPAGE_PMD_NR;
> set_pmd_at(mm, addr, pmd, entry);
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 07abcb6eb203..6af471bdcff8 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -4900,7 +4900,7 @@ static pte_t make_huge_pte(struct vm_area_struct *vma,
> struct page *page,
>
> if (writable) {
> entry = huge_pte_mkwrite(huge_pte_mkdirty(mk_huge_pte(page,
> - vma->vm_page_prot)));
> + vma->vm_page_prot)), vma);
> } else {
> entry = huge_pte_wrprotect(mk_huge_pte(page,
> vma->vm_page_prot));
> @@ -4916,7 +4916,7 @@ static void set_huge_ptep_writable(struct
> vm_area_struct *vma,
> {
> pte_t entry;
>
> - entry = huge_pte_mkwrite(huge_pte_mkdirty(huge_ptep_get(ptep)));
> + entry = huge_pte_mkwrite(huge_pte_mkdirty(huge_ptep_get(ptep)), vma);
> if (huge_ptep_set_access_flags(vma, address, ptep, entry, 1))
> update_mmu_cache(vma, address, ptep);
> }
> diff --git a/mm/memory.c b/mm/memory.c
> index f456f3b5049c..d0972d2d6f36 100644
> --- a/mm/memory.c
> +++ b/mm/memory.c
> @@ -4067,7 +4067,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault
> *vmf)
> entry = mk_pte(&folio->page, vma->vm_page_prot);
> entry = pte_sw_mkyoung(entry);
> if (vma->vm_flags & VM_WRITE)
> - entry = pte_mkwrite(pte_mkdirty(entry));
> + entry = pte_mkwrite(pte_mkdirty(entry), vma);
>
> vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address,
> &vmf->ptl);
> @@ -4755,7 +4755,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
> pte = pte_modify(old_pte, vma->vm_page_prot);
> pte = pte_mkyoung(pte);
> if (writable)
> - pte = pte_mkwrite(pte);
> + pte = pte_mkwrite(pte, vma);
> ptep_modify_prot_commit(vma, vmf->address, vmf->pte, old_pte, pte);
> update_mmu_cache(vma, vmf->address, vmf->pte);
> pte_unmap_unlock(vmf->pte, vmf->ptl);
> diff --git a/mm/migrate_device.c b/mm/migrate_device.c
> index d30c9de60b0d..df3f5e9d5f76 100644
> --- a/mm/migrate_device.c
> +++ b/mm/migrate_device.c
> @@ -646,7 +646,7 @@ static void migrate_vma_insert_page(struct migrate_vma
> *migrate,
> }
> entry = mk_pte(page, vma->vm_page_prot);
> if (vma->vm_flags & VM_WRITE)
> - entry = pte_mkwrite(pte_mkdirty(entry));
> + entry = pte_mkwrite(pte_mkdirty(entry), vma);
> }
>
> ptep = pte_offset_map_lock(mm, pmdp, addr, &ptl);
> diff --git a/mm/mprotect.c b/mm/mprotect.c
> index 1d4843c97c2a..381163a41e88 100644
> --- a/mm/mprotect.c
> +++ b/mm/mprotect.c
> @@ -198,7 +198,7 @@ static long change_pte_range(struct mmu_gather *tlb,
> if ((cp_flags & MM_CP_TRY_CHANGE_WRITABLE) &&
> !pte_write(ptent) &&
> can_change_pte_writable(vma, addr, ptent))
> - ptent = pte_mkwrite(ptent);
> + ptent = pte_mkwrite(ptent, vma);
>
> ptep_modify_prot_commit(vma, addr, pte, oldpte, ptent);
> if (pte_needs_flush(oldpte, ptent))
> diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
> index 53c3d916ff66..3db6f87c0aca 100644
> --- a/mm/userfaultfd.c
> +++ b/mm/userfaultfd.c
> @@ -75,7 +75,7 @@ int mfill_atomic_install_pte(struct mm_struct *dst_mm,
> pmd_t *dst_pmd,
> if (page_in_cache && !vm_shared)
> writable = false;
> if (writable)
> - _dst_pte = pte_mkwrite(_dst_pte);
> + _dst_pte = pte_mkwrite(_dst_pte, dst_vma);
> if (wp_copy)
> _dst_pte = pte_mkuffd_wp(_dst_pte);
>
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