[PATCH v2 1/3] mm, memcontrol: avoid duplicated memcg enable check

Kairui Song posted 3 patches 2 weeks, 3 days ago
There is a newer version of this series
[PATCH v2 1/3] mm, memcontrol: avoid duplicated memcg enable check
Posted by Kairui Song 2 weeks, 3 days ago
From: Kairui Song <kasong@tencent.com>

mem_cgroup_uncharge_swap() includes a mem_cgroup_disabled() check,
so the caller doesn't need to check that.

Signed-off-by: Kairui Song <kasong@tencent.com>
Reviewed-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Chris Li <chrisl@kernel.org>
---
 mm/memcontrol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7b3503d12aaf..79900a486ed1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4609,7 +4609,7 @@ void mem_cgroup_swapin_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)
 	 * correspond 1:1 to page and swap slot lifetimes: we charge the
 	 * page to memory here, and uncharge swap when the slot is freed.
 	 */
-	if (!mem_cgroup_disabled() && do_memsw_account()) {
+	if (do_memsw_account()) {
 		/*
 		 * The swap entry might not get freed for a long time,
 		 * let's not wait for it.  The page already received a
-- 
2.47.1