The patch titled
page allocator: inlnie some __alloc_pages() wrappers
has been added to the -mm tree. Its filename is
page-allocator-inlnie-some-__alloc_pages-wrappers.patch
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------------------------------------------------------
Subject: page allocator: inlnie some __alloc_pages() wrappers
From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Two zonelist patch series rewrote __page_alloc() largely. Now, it is just
a wrapper function. Inlining them will save a function call.
Cc: Lee Schermerhorn <lee.schermerhorn@xxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/gfp.h | 21 +++++++++++++++++----
mm/page_alloc.c | 18 +-----------------
2 files changed, 18 insertions(+), 21 deletions(-)
diff -puN include/linux/gfp.h~page-allocator-inlnie-some-__alloc_pages-wrappers include/linux/gfp.h
--- a/include/linux/gfp.h~page-allocator-inlnie-some-__alloc_pages-wrappers
+++ a/include/linux/gfp.h
@@ -174,11 +174,24 @@ static inline void arch_free_page(struct
static inline void arch_alloc_page(struct page *page, int order) { }
#endif
-extern struct page *__alloc_pages(gfp_t, unsigned int, struct zonelist *);
+struct page *
+__alloc_pages_internal(gfp_t gfp_mask, unsigned int order,
+ struct zonelist *zonelist, nodemask_t *nodemask);
+
+static inline struct page *
+__alloc_pages(gfp_t gfp_mask, unsigned int order,
+ struct zonelist *zonelist)
+{
+ return __alloc_pages_internal(gfp_mask, order, zonelist, NULL);
+}
+
+static inline struct page *
+__alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
+ struct zonelist *zonelist, nodemask_t *nodemask)
+{
+ return __alloc_pages_internal(gfp_mask, order, zonelist, nodemask);
+}
-extern struct page *
-__alloc_pages_nodemask(gfp_t, unsigned int,
- struct zonelist *, nodemask_t *nodemask);
static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask,
unsigned int order)
diff -puN mm/page_alloc.c~page-allocator-inlnie-some-__alloc_pages-wrappers mm/page_alloc.c
--- a/mm/page_alloc.c~page-allocator-inlnie-some-__alloc_pages-wrappers
+++ a/mm/page_alloc.c
@@ -1460,7 +1460,7 @@ try_next_zone:
/*
* This is the 'heart' of the zoned buddy allocator.
*/
-static struct page *
+struct page *
__alloc_pages_internal(gfp_t gfp_mask, unsigned int order,
struct zonelist *zonelist, nodemask_t *nodemask)
{
@@ -1667,22 +1667,6 @@ got_pg:
return page;
}
-struct page *
-__alloc_pages(gfp_t gfp_mask, unsigned int order,
- struct zonelist *zonelist)
-{
- return __alloc_pages_internal(gfp_mask, order, zonelist, NULL);
-}
-
-struct page *
-__alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
- struct zonelist *zonelist, nodemask_t *nodemask)
-{
- return __alloc_pages_internal(gfp_mask, order, zonelist, nodemask);
-}
-
-EXPORT_SYMBOL(__alloc_pages);
-
/*
* Common helper functions.
*/
_
Patches currently in -mm which might be from kosaki.motohiro@xxxxxxxxxxxxxx are
linux-next.patch
page-allocator-inlnie-some-__alloc_pages-wrappers.patch
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