[patch 3/3] mm: add arch_alloc_page

[Nick Piggin]

Add an arch_alloc_page to match arch_free_page.

Signed-off-by: Nick Piggin <npiggin@xxxxxxx>

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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