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authorShaohua Li <shli@fb.com>2015-10-15 15:28:29 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-27 09:53:38 +0900
commit0953cead4005519a9b690a387d41c3d201a6e287 (patch)
tree6ece06e15616318ea3ad205e3b5bda7d5b5eead6
parent07d25699afc37a6985321dcf7ba1ad38425f6731 (diff)
memcg: convert threshold to bytes
commit 424cdc14138088ada1b0e407a2195b2783c6e5ef upstream. page_counter_memparse() returns pages for the threshold, while mem_cgroup_usage() returns bytes for memory usage. Convert the threshold to bytes. Fixes: 3e32cb2e0a12b6915 ("memcg: rename cgroup_event to mem_cgroup_event"). Signed-off-by: Shaohua Li <shli@fb.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--mm/memcontrol.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 237d4686482d..03a6f7506cf3 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3687,6 +3687,7 @@ static int __mem_cgroup_usage_register_event(struct mem_cgroup *memcg,
ret = page_counter_memparse(args, "-1", &threshold);
if (ret)
return ret;
+ threshold <<= PAGE_SHIFT;
mutex_lock(&memcg->thresholds_lock);