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page allocator: inline some __alloc_pages() wrappers

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Two zonelist patch series rewrote __page_alloc() largely.  Now, it is just
a wrapper function.  Inlining them will save a function call.

[akpm@linux-foundation.org: export __alloc_pages_internal]
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KOSAKI Motohiro 2008-07-23 21:27:01 -07:00 committed by Linus Torvalds
parent efe9e77997
commit e4048e5dc4
2 changed files with 19 additions and 21 deletions
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21
include/linux/gfp.h
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@ -173,11 +173,24 @@ static inline void arch_free_page(struct page *page, int order) { }
static inline void arch_alloc_page(struct page *page, int order) { } static inline void arch_alloc_page(struct page *page, int order) { }
#endif #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, static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask,
unsigned int order) unsigned int order)

19
mm/page_alloc.c
View file

@ -1429,7 +1429,7 @@ get_page_from_freelist(gfp_t gfp_mask, nodemask_t *nodemask, unsigned int order,
/* /*
* This is the 'heart' of the zoned buddy allocator. * This is the 'heart' of the zoned buddy allocator.
*/ */
static struct page * struct page *
__alloc_pages_internal(gfp_t gfp_mask, unsigned int order, __alloc_pages_internal(gfp_t gfp_mask, unsigned int order,
struct zonelist *zonelist, nodemask_t *nodemask) struct zonelist *zonelist, nodemask_t *nodemask)
{ {
@ -1632,22 +1632,7 @@ __alloc_pages_internal(gfp_t gfp_mask, unsigned int order,
got_pg: got_pg:
return page; return page;
} }
EXPORT_SYMBOL(__alloc_pages_internal);
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. * Common helper functions.