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    Subject[patch 3/3] mm: add arch_alloc_page
    Date
    Add an arch_alloc_page to match arch_free_page.

    Signed-off-by: Nick Piggin <npiggin@suse.de>

    Index: linux-2.6/include/linux/gfp.h
    ===================================================================
    --- linux-2.6.orig/include/linux/gfp.h 2006-10-06 11:59:20.000000000 +1000
    +++ linux-2.6/include/linux/gfp.h 2006-10-06 12:02:35.000000000 +1000
    @@ -101,6 +101,9 @@ static inline int gfp_zone(gfp_t gfp)
    #ifndef HAVE_ARCH_FREE_PAGE
    static inline void arch_free_page(struct page *page, int order) { }
    #endif
    +#ifndef HAVE_ARCH_ALLOC_PAGE
    +static inline void arch_alloc_page(struct page *page, int order) { }
    +#endif

    extern struct page *
    FASTCALL(__alloc_pages(gfp_t, unsigned int, struct zonelist *));
    Index: linux-2.6/mm/page_alloc.c
    ===================================================================
    --- linux-2.6.orig/mm/page_alloc.c 2006-10-06 12:01:52.000000000 +1000
    +++ linux-2.6/mm/page_alloc.c 2006-10-06 12:02:35.000000000 +1000
    @@ -552,6 +552,8 @@ static int prep_new_page(struct page *pa
    1 << PG_checked | 1 << PG_mappedtodisk);
    set_page_private(page, 0);
    set_page_refcounted(page);
    +
    + arch_alloc_page(page, order);
    kernel_map_pages(page, 1 << order, 1);

    if (gfp_flags & __GFP_ZERO)
    -
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