From: Shaohua Li <[email protected]>
Subject: memcg: convert threshold to bytes
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]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
mm/memcontrol.c | 1 +
1 file changed, 1 insertion(+)
diff -puN mm/memcontrol.c~memcg-convert-threshold-to-bytes mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-convert-threshold-to-bytes
+++ a/mm/memcontrol.c
@@ -3387,6 +3387,7 @@ static int __mem_cgroup_usage_register_e
ret = page_counter_memparse(args, "-1", &threshold);
if (ret)
return ret;
+ threshold <<= PAGE_SHIFT;
mutex_lock(&memcg->thresholds_lock);
_
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