summary refs log tree commit diff
path: root/mm/memcontrol.c
diff options
context:
space:
mode:
authorAndrew Morton <akpm@linux-foundation.org>2013-09-24 15:27:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-24 17:00:25 -0700
commit3120055e869f2a208480f238680d097eec8f0e02 (patch)
tree0d3c4d85800f2ab0ba1c70e3b8aaf25c630cacf4 /mm/memcontrol.c
parent8f939a9f4c769500c58c31ec81ce17297388f4bf (diff)
downloadlinux-3120055e869f2a208480f238680d097eec8f0e02.tar.gz
revert "memcg, vmscan: do not attempt soft limit reclaim if it would not scan anything"
Revert commit e839b6a1c8d0 ("memcg, vmscan: do not attempt soft limit
reclaim if it would not scan anything")

I merged this prematurely - Michal and Johannes still disagree about the
overall design direction and the future remains unclear.

Cc: 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.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5ee0af463f2e..5cf7726764cc 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1872,11 +1872,7 @@ enum mem_cgroup_filter_t
 mem_cgroup_soft_reclaim_eligible(struct mem_cgroup *memcg,
 		struct mem_cgroup *root)
 {
-	struct mem_cgroup *parent;
-
-	if (!memcg)
-		memcg = root_mem_cgroup;
-	parent = memcg;
+	struct mem_cgroup *parent = memcg;
 
 	if (res_counter_soft_limit_excess(&memcg->res))
 		return VISIT;