[Xen-devel] [PATCH 12/21] arch: use memblock_alloc() instead of memblock_alloc_from(size, align, 0)

[Mike Rapoport <rppt@xxxxxxxxxxxxx>]

The last parameter of memblock_alloc_from() is the lower limit for the
memory allocation. When it is 0, the call is equivalent to
memblock_alloc().

Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
---
 arch/alpha/kernel/core_cia.c  |  2 +-
 arch/alpha/kernel/pci_iommu.c |  4 ++--
 arch/alpha/kernel/setup.c     |  2 +-
 arch/ia64/kernel/mca.c        |  3 +--
 arch/mips/kernel/traps.c      |  2 +-
 arch/sparc/kernel/prom_32.c   |  2 +-
 arch/sparc/mm/init_32.c       |  2 +-
 arch/sparc/mm/srmmu.c         | 10 +++++-----
 8 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c
index 867e873..466cd44 100644
--- a/arch/alpha/kernel/core_cia.c
+++ b/arch/alpha/kernel/core_cia.c
@@ -331,7 +331,7 @@ cia_prepare_tbia_workaround(int window)
        long i;
 
        /* Use minimal 1K map. */
-       ppte = memblock_alloc_from(CIA_BROKEN_TBIA_SIZE, 32768, 0);
+       ppte = memblock_alloc(CIA_BROKEN_TBIA_SIZE, 32768);
        pte = (virt_to_phys(ppte) >> (PAGE_SHIFT - 1)) | 1;
 
        for (i = 0; i < CIA_BROKEN_TBIA_SIZE / sizeof(unsigned long); ++i)
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index aa0f50d..e4cf77b 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -87,13 +87,13 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, 
dma_addr_t base,
                printk("%s: couldn't allocate arena ptes from node %d\n"
                       "    falling back to system-wide allocation\n",
                       __func__, nid);
-               arena->ptes = memblock_alloc_from(mem_size, align, 0);
+               arena->ptes = memblock_alloc(mem_size, align);
        }
 
 #else /* CONFIG_DISCONTIGMEM */
 
        arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES);
-       arena->ptes = memblock_alloc_from(mem_size, align, 0);
+       arena->ptes = memblock_alloc(mem_size, align);
 
 #endif /* CONFIG_DISCONTIGMEM */
 
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index 4b5b1b2..5d4c76a 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -293,7 +293,7 @@ move_initrd(unsigned long mem_limit)
        unsigned long size;
 
        size = initrd_end - initrd_start;
-       start = memblock_alloc_from(PAGE_ALIGN(size), PAGE_SIZE, 0);
+       start = memblock_alloc(PAGE_ALIGN(size), PAGE_SIZE);
        if (!start || __pa(start) + size > mem_limit) {
                initrd_start = initrd_end = 0;
                return NULL;
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 91bd1e1..74d148b 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1835,8 +1835,7 @@ format_mca_init_stack(void *mca_data, unsigned long 
offset,
 /* Caller prevents this from being called after init */
 static void * __ref mca_bootmem(void)
 {
-       return memblock_alloc_from(sizeof(struct ia64_mca_cpu),
-                                  KERNEL_STACK_SIZE, 0);
+       return memblock_alloc(sizeof(struct ia64_mca_cpu), KERNEL_STACK_SIZE);
 }
 
 /* Do per-CPU MCA-related initialization.  */
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index c91097f..2bbdee5 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2291,7 +2291,7 @@ void __init trap_init(void)
                phys_addr_t ebase_pa;
 
                ebase = (unsigned long)
-                       memblock_alloc_from(size, 1 << fls(size), 0);
+                       memblock_alloc(size, 1 << fls(size));
 
                /*
                 * Try to ensure ebase resides in KSeg0 if possible.
diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c
index 42d7f2a..38940af 100644
--- a/arch/sparc/kernel/prom_32.c
+++ b/arch/sparc/kernel/prom_32.c
@@ -32,7 +32,7 @@ void * __init prom_early_alloc(unsigned long size)
 {
        void *ret;
 
-       ret = memblock_alloc_from(size, SMP_CACHE_BYTES, 0UL);
+       ret = memblock_alloc(size, SMP_CACHE_BYTES);
        if (ret != NULL)
                memset(ret, 0, size);
 
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index d900952..a8ff298 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -264,7 +264,7 @@ void __init mem_init(void)
        i = last_valid_pfn >> ((20 - PAGE_SHIFT) + 5);
        i += 1;
        sparc_valid_addr_bitmap = (unsigned long *)
-               memblock_alloc_from(i << 2, SMP_CACHE_BYTES, 0UL);
+               memblock_alloc(i << 2, SMP_CACHE_BYTES);
 
        if (sparc_valid_addr_bitmap == NULL) {
                prom_printf("mem_init: Cannot alloc valid_addr_bitmap.\n");
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index b609362..a400ec3 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -303,13 +303,13 @@ static void __init srmmu_nocache_init(void)
 
        bitmap_bits = srmmu_nocache_size >> SRMMU_NOCACHE_BITMAP_SHIFT;
 
-       srmmu_nocache_pool = memblock_alloc_from(srmmu_nocache_size,
-                                                SRMMU_NOCACHE_ALIGN_MAX, 0UL);
+       srmmu_nocache_pool = memblock_alloc(srmmu_nocache_size,
+                                           SRMMU_NOCACHE_ALIGN_MAX);
        memset(srmmu_nocache_pool, 0, srmmu_nocache_size);
 
        srmmu_nocache_bitmap =
-               memblock_alloc_from(BITS_TO_LONGS(bitmap_bits) * sizeof(long),
-                                   SMP_CACHE_BYTES, 0UL);
+               memblock_alloc(BITS_TO_LONGS(bitmap_bits) * sizeof(long),
+                              SMP_CACHE_BYTES);
        bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits);
 
        srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, 
SRMMU_PGD_TABLE_SIZE);
@@ -467,7 +467,7 @@ static void __init sparc_context_init(int numctx)
        unsigned long size;
 
        size = numctx * sizeof(struct ctx_list);
-       ctx_list_pool = memblock_alloc_from(size, SMP_CACHE_BYTES, 0UL);
+       ctx_list_pool = memblock_alloc(size, SMP_CACHE_BYTES);
 
        for (ctx = 0; ctx < numctx; ctx++) {
                struct ctx_list *clist;
-- 
2.7.4


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