[PATCH 1/4] mm, memcontrol: avoid duplicated memcg enable check

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From: Kairui Song <kasong@xxxxxxxxxxx>

mem_cgroup_uncharge_swap() implies a mem_cgroup_disabled() check,
which is already checked by the caller here. Skip it by calling
__mem_cgroup_uncharge_swap() directly.

Signed-off-by: Kairui Song <kasong@xxxxxxxxxxx>
---
 mm/memcontrol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7b3503d12aaf..d3d1eb506eee 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4615,7 +4615,7 @@ void mem_cgroup_swapin_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)
 		 * let's not wait for it.  The page already received a
 		 * memory+swap charge, drop the swap entry duplicate.
 		 */
-		mem_cgroup_uncharge_swap(entry, nr_pages);
+		__mem_cgroup_uncharge_swap(entry, nr_pages);
 	}
 }
 
-- 
2.47.0





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