[PATCH] mm: add arch_alloc_page

Add an arch_alloc_page to match arch_free_page.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index bf2b6bc..00c314a 100644 (file)
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -116,6 +116,9 @@ static inline enum zone_type gfp_zone(gfp_t flags)
 #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 *));

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 230771d..cd47e8f 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -598,6 +598,8 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags)
                        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)