[PATCH] mm: set_page_refs opt

Inline set_page_refs.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/mm/internal.h b/mm/internal.h
index 6bf134e..85004f5 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -9,5 +9,20 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-/* page_alloc.c */
-extern void set_page_refs(struct page *page, int order);
+static inline void set_page_refs(struct page *page, int order)
+{
+#ifdef CONFIG_MMU
+       set_page_count(page, 1);
+#else
+       int i;
+
+       /*
+        * We need to reference all the pages for this order, otherwise if
+        * anyone accesses one of the pages with (get/put) it will be freed.
+        * - eg: access_process_vm()
+        */
+       for (i = 0; i < (1 << order); i++)
+               set_page_count(page + i, 1);
+#endif /* CONFIG_MMU */
+}
+

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 680cbe5..6d513fa 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -453,23 +453,6 @@ expand(struct zone *zone, struct page *page,
        return page;
 }
 
-void set_page_refs(struct page *page, int order)
-{
-#ifdef CONFIG_MMU
-       set_page_count(page, 1);
-#else
-       int i;
-
-       /*
-        * We need to reference all the pages for this order, otherwise if
-        * anyone accesses one of the pages with (get/put) it will be freed.
-        * - eg: access_process_vm()
-        */
-       for (i = 0; i < (1 << order); i++)
-               set_page_count(page + i, 1);
-#endif /* CONFIG_MMU */
-}
-
 /*
  * This page is about to be returned from the page allocator
  */