[Xen-ia64-devel] [PATCH] [RFC] domU destroy & page ref counter [2/2]

[Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>]

Hi all,

We show below a summary of this patch. Please review this patch,
and give us comment.

SUMMARY:
diff -r b4f1084177cc xen/arch/ia64/xen/xenmisc.c
        @@ -147,12 +147,17 @@ void init_percpu_info(void)
        /****   only declare free_page_type() because 
                put_page_type() is used ****/
        /****   only declare alloc_page_type() because 
                get_page_type() is used ****/

        @@ -415,3 +420,203 @@ void sync_split_caches(void)
        /****   MEMLOG: porting from x86 becase 
                get_page_type() is used ****/
        /****   cleanup_writable_pagetable: only declare 
                because get_page_type() is used ****/
        /****   put_page_type: port from x86 as-is ****/
        /****   get_page_type: port from x86 as-is ****/

diff -r b4f1084177cc xen/include/asm-ia64/mm.h
        @@ -41,32 +41,33 @@ struct page
        /****   struct page: moving the following place 
                for avoiding non-alignment falut 
                (the same as x86) ****/
        /****   struct page: packed for alignment of 
                cout_info and _domain (the same as x86) ****/

        @@ -94,8 +95,15 @@ struct page
        /****   struct page: port from x86 as-is ****/

        @@ -138,7 +146,6 @@ extern unsigned long gmfn_to_mfn_foreign
        /****   put_page(): delete #ifdef VALIDATE_VT ****/

        @@ -149,14 +156,12 @@ static inline void put_page(struct page_
        /****   get_page(): delete #ifdef VALIDATE_VT ****/

        @@ -172,14 +177,13 @@ static inline int get_page(struct page_i
        /****   get_page(): adding cast u64 due to use 
                8byte cmpxchg ****/

Signed-off-by: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>

Best regards,
 Kan, and Fujitsu team

Attachment: page-ref-counter.patch
Description: Binary data

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