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| author | Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | 2012-07-31 23:42:44 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-08-01 01:42:42 (GMT) |
| commit | d845aa2c75bcff87dacf098378b5706b12d1588f (patch) | |
| tree | 2b8f35b6dc8e1b264fe78541246434d07922f606 /mm/memcontrol.c | |
| parent | 59b8e85c26e77d236ebdd61866ffc5e69c5f531d (diff) | |
| download | linux-d845aa2c75bcff87dacf098378b5706b12d1588f.tar.xz | |
memcg: clean up force_empty_list() return value check
After bf544fdc241da8 "memcg: move charges to root cgroup if
use_hierarchy=0 in mem_cgroup_move_hugetlb_parent()"
mem_cgroup_move_parent() returns only -EBUSY or -EINVAL. So we can remove
the -ENOMEM and -EINTR checks.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 8062d45..a1f00f0 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3653,8 +3653,6 @@ static int mem_cgroup_force_empty_list(struct mem_cgroup *memcg, pc = lookup_page_cgroup(page); ret = mem_cgroup_move_parent(page, pc, memcg, GFP_KERNEL); - if (ret == -ENOMEM || ret == -EINTR) - break; if (ret == -EBUSY || ret == -EINVAL) { /* found lock contention or "pc" is obsolete. */ @@ -3711,9 +3709,6 @@ move_account: } mem_cgroup_end_move(memcg); memcg_oom_recover(memcg); - /* it seems parent cgroup doesn't have enough mem */ - if (ret == -ENOMEM) - goto try_to_free; cond_resched(); /* "ret" should also be checked to ensure all lists are empty. */ } while (res_counter_read_u64(&memcg->res, RES_USAGE) > 0 || ret); |