mm/vmscan.c: don't disable irq again when count pgrefill for memcg

We can use __count_memcg_events() directly because this callsite is alreay
protected by spin_lock_irq().

Link: http://lkml.kernel.org/r/1556093494-30798-1-git-send-email-laoar.shao@gmail.com
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8880767..d96c547 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2022,7 +2022,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
        reclaim_stat->recent_scanned[file] += nr_taken;
 
        __count_vm_events(PGREFILL, nr_scanned);
-       count_memcg_events(lruvec_memcg(lruvec), PGREFILL, nr_scanned);
+       __count_memcg_events(lruvec_memcg(lruvec), PGREFILL, nr_scanned);
 
        spin_unlock_irq(&pgdat->lru_lock);