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memcg: remove mem_cgroup_try_charge

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After previous patch, mem_cgroup_try_charge is not used by anyone, so we
can remove it.

Signed-off-by: Daisuke Nishimura <[email protected]>
Acked-by: KAMEZAWA Hiroyuki <[email protected]>
Cc: Balbir Singh <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Daisuke Nishimura 2009-01-07 18:08:28 -08:00 • committed by Linus Torvalds
commit a5e924f5f8
2 changed files with 1 additions and 28 deletions
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21
mm/memcontrol.c
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@ -839,27 +839,8 @@ nomem:
return -ENOMEM;
}
/**
* mem_cgroup_try_charge - get charge of PAGE_SIZE.
* @mm: an mm_struct which is charged against. (when *memcg is NULL)
* @gfp_mask: gfp_mask for reclaim.
* @memcg: a pointer to memory cgroup which is charged against.
*
* charge against memory cgroup pointed by *memcg. if *memcg == NULL, estimated
* memory cgroup from @mm is got and stored in *memcg.
*
* Returns 0 if success. -ENOMEM at failure.
* This call can invoke OOM-Killer.
*/
int mem_cgroup_try_charge(struct mm_struct *mm,
gfp_t mask, struct mem_cgroup **memcg)
{
return __mem_cgroup_try_charge(mm, mask, memcg, true);
}
/*
* commit a charge got by mem_cgroup_try_charge() and makes page_cgroup to be
* commit a charge got by __mem_cgroup_try_charge() and makes page_cgroup to be
* USED state. If already USED, uncharge and return.
*/