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authorDaisuke Nishimura <nishimura@mxp.nes.nec.co.jp>2009-01-07 21:08:28 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-08 11:31:09 -0500
commita5e924f5f8abf97944e625d74967cc9452cfbce8 (patch)
tree3a90d35e270617933f352c8c748880a62fa6eeca /mm
parent3bb4edf24b26358eccfc69ac8b9a9c36ccc312da (diff)
memcg: remove mem_cgroup_try_charge
After previous patch, mem_cgroup_try_charge is not used by anyone, so we can remove it. Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Balbir Singh <balbir@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c21
1 files changed, 1 insertions, 20 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 3ba72e6556cc..435f08dac8bf 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -839,27 +839,8 @@ nomem:
839 return -ENOMEM; 839 return -ENOMEM;
840} 840}
841 841
842/**
843 * mem_cgroup_try_charge - get charge of PAGE_SIZE.
844 * @mm: an mm_struct which is charged against. (when *memcg is NULL)
845 * @gfp_mask: gfp_mask for reclaim.
846 * @memcg: a pointer to memory cgroup which is charged against.
847 *
848 * charge against memory cgroup pointed by *memcg. if *memcg == NULL, estimated
849 * memory cgroup from @mm is got and stored in *memcg.
850 *
851 * Returns 0 if success. -ENOMEM at failure.
852 * This call can invoke OOM-Killer.
853 */
854
855int mem_cgroup_try_charge(struct mm_struct *mm,
856 gfp_t mask, struct mem_cgroup **memcg)
857{
858 return __mem_cgroup_try_charge(mm, mask, memcg, true);
859}
860
861/* 842/*
862 * commit a charge got by mem_cgroup_try_charge() and makes page_cgroup to be 843 * commit a charge got by __mem_cgroup_try_charge() and makes page_cgroup to be
863 * USED state. If already USED, uncharge and return. 844 * USED state. If already USED, uncharge and return.
864 */ 845 */
865 846