The page_counter_memparse() returns pages for the threshold, while mem_cgroup_usage() returns bytes for memory usage. Convert the threshold to bytes. Looks a regression introduced by 3e32cb2e0a12b69150 Signed-off-by: Shaohua Li <shli@xxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> --- mm/memcontrol.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 1fedbde..d9b5c81 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3387,6 +3387,7 @@ 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); -- 2.4.6 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>