linux-kernel - [PATCH] mm: remove redundant check in handle_mm

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Date:   Mon,  6 Mar 2023 02:49:59 +0000
From:   Haifeng Xu <haifeng.xu@...pee.com>
To:     akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Haifeng Xu <haifeng.xu@...pee.com>
Subject: [PATCH] mm: remove redundant check in handle_mm_fault

mem_cgroup_oom_synchronize() has checked whether current memcg_in_oom is
set or not, so remove the check in handle_mm_fault().

Signed-off-by: Haifeng Xu <haifeng.xu@...pee.com>
---
 mm/memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memory.c b/mm/memory.c
index f456f3b5049c..e066d974c27b 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -5206,7 +5206,7 @@ vm_fault_t handle_mm_fault(struct vm_area_struct *vma, unsigned long address,
 		 * VM_FAULT_OOM), there is no need to kill anything.
 		 * Just clean up the OOM state peacefully.
 		 */
-		if (task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM))
+		if (!(ret & VM_FAULT_OOM))
 			mem_cgroup_oom_synchronize(false);
 	}
 
-- 
2.25.1