[merged mm-stable] mm-memcontrol-remove-unnecessary-null-check-before-free_percpu.patch removed from -mm tree

[merged mm-stable] mm-memcontrol-remove-unnecessary-null-check-before-free_percpu.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm: memcontrol: remove unnecessary NULL check before free_percpu()
has been removed from the -mm tree.  Its filename was
     mm-memcontrol-remove-unnecessary-null-check-before-free_percpu.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Chen Ni <nichen@iscas.ac.cn>
Subject: mm: memcontrol: remove unnecessary NULL check before free_percpu()
Date: Thu, 17 Apr 2025 16:43:30 +0800

free_percpu() checks for NULL pointers internally.  Remove unneeded NULL
check here.

Link: https://lkml.kernel.org/r/20250417084330.937380-1-nichen@iscas.ac.cn
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memcontrol-v1.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/mm/memcontrol-v1.c~mm-memcontrol-remove-unnecessary-null-check-before-free_percpu
+++ a/mm/memcontrol-v1.c
@@ -2198,8 +2198,7 @@ bool memcg1_alloc_events(struct mem_cgro
 
 void memcg1_free_events(struct mem_cgroup *memcg)
 {
-	if (memcg->events_percpu)
-		free_percpu(memcg->events_percpu);
+	free_percpu(memcg->events_percpu);
 }
 
 static int __init memcg1_init(void)
_

Patches currently in -mm which might be from nichen@iscas.ac.cn are

ocfs2-remove-unnecessary-null-check-before-unregister_sysctl_table.patch