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memcg: make memcg's file mapped consistent with global VM

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In global VM, FILE_MAPPED is used but memcg uses MAPPED_FILE.  This makes
grep difficult.  Replace memcg's MAPPED_FILE with FILE_MAPPED

And in global VM, mapped shared memory is accounted into FILE_MAPPED.
But memcg doesn't. fix it.
Note:
  page_is_file_cache() just checks SwapBacked or not.
  So, we need to check PageAnon.

Cc: Balbir Singh <balbir@in.ibm.com>
Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@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:
KAMEZAWA Hiroyuki 2009-12-15 16:47:09 -08:00 • committed by Linus Torvalds
commit d8046582d5
3 changed files with 13 additions and 16 deletions
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4
include/linux/memcontrol.h
View file

@ -122,7 +122,7 @@ static inline bool mem_cgroup_disabled(void)
}
extern bool mem_cgroup_oom_called(struct task_struct *task);
void mem_cgroup_update_mapped_file_stat(struct page *page, int val);
void mem_cgroup_update_file_mapped(struct page *page, int val);
unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
gfp_t gfp_mask, int nid,
int zid);
@ -287,7 +287,7 @@ mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p)
{
}
static inline void mem_cgroup_update_mapped_file_stat(struct page *page,
static inline void mem_cgroup_update_file_mapped(struct page *page,
int val)
{
}