3.19.8-ckt10 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Shaohua Li <[email protected]>

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 <[email protected]>
Cc: Johannes Weiner <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 mm/memcontrol.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 2f6893c..28253e5 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3904,6 +3904,7 @@ static int __mem_cgroup_usage_register_event(struct 
mem_cgroup *memcg,
        ret = page_counter_memparse(args, &threshold);
        if (ret)
                return ret;
+       threshold <<= PAGE_SHIFT;
 
        mutex_lock(&memcg->thresholds_lock);
 
-- 
1.9.1

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