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| author | Li Hong <lihong.hi@gmail.com> | 2010-03-05 13:41:54 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-06 11:26:25 -0800 |
| commit | fc91668eaf9e7ba61e867fc2218b7e9fb67faa4f (patch) | |
| tree | 08d443d76255e8d60ae6ba07d52cdc295172ded8 | |
| parent | c475dab63ae798d81fb597a6a1859986b296d9d0 (diff) | |
| download | talos-op-linux-fc91668eaf9e7ba61e867fc2218b7e9fb67faa4f.tar.gz talos-op-linux-fc91668eaf9e7ba61e867fc2218b7e9fb67faa4f.zip | |
mm: remove free_hot_page()
free_hot_page() is just a wrapper around free_hot_cold_page() with
parameter 'cold = 0'. After adding a clear comment for
free_hot_cold_page(), it is reasonable to remove a level of call.
[akpm@linux-foundation.org: fix build]
Signed-off-by: Li Hong <lihong.hi@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Li Ming Chun <macli@brc.ubc.ca>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Americo Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/gfp.h | 2 | ||||
| -rw-r--r-- | mm/page_alloc.c | 10 | ||||
| -rw-r--r-- | mm/swap.c | 2 |
3 files changed, 5 insertions, 9 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 557bdad320b6..e5567e6762f3 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -325,7 +325,7 @@ void free_pages_exact(void *virt, size_t size); extern void __free_pages(struct page *page, unsigned int order); extern void free_pages(unsigned long addr, unsigned int order); -extern void free_hot_page(struct page *page); +extern void free_hot_cold_page(struct page *page, int cold); #define __free_page(page) __free_pages((page), 0) #define free_page(addr) free_pages((addr),0) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index caa7df60a4a1..80bcee0c5034 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1074,8 +1074,9 @@ void mark_free_pages(struct zone *zone) /* * Free a 0-order page + * cold == 1 ? free a cold page : free a hot page */ -static void free_hot_cold_page(struct page *page, int cold) +void free_hot_cold_page(struct page *page, int cold) { struct zone *zone = page_zone(page); struct per_cpu_pages *pcp; @@ -1135,11 +1136,6 @@ out: local_irq_restore(flags); } -void free_hot_page(struct page *page) -{ - free_hot_cold_page(page, 0); -} - /* * split_page takes a non-compound higher-order page, and splits it into * n (1<<order) sub-pages: page[0..n] @@ -2010,7 +2006,7 @@ void __free_pages(struct page *page, unsigned int order) { if (put_page_testzero(page)) { if (order == 0) - free_hot_page(page); + free_hot_cold_page(page, 0); else __free_pages_ok(page, order); } diff --git a/mm/swap.c b/mm/swap.c index 308e57d8d7ed..9036b89813ac 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -55,7 +55,7 @@ static void __page_cache_release(struct page *page) del_page_from_lru(zone, page); spin_unlock_irqrestore(&zone->lru_lock, flags); } - free_hot_page(page); + free_hot_cold_page(page, 0); } static void put_compound_page(struct page *page) |
