linux-kernel - [PATCH -next] cgroup/cpuset: Remove unnecessary zeroing

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Message-ID: <20240525094403.1584987-1-xiujianfeng@huawei.com>
Date: Sat, 25 May 2024 09:44:03 +0000
From: Xiu Jianfeng <xiujianfeng@...wei.com>
To: <longman@...hat.com>, <lizefan.x@...edance.co>, <tj@...nel.org>,
	<hannes@...xchg.org>
CC: <cgroups@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] cgroup/cpuset: Remove unnecessary zeroing

The struct cpuset is kzalloc'd, all the members are zeroed already,
so don't need nodes_clear() here.

No functional changes intended.

Signed-off-by: Xiu Jianfeng <xiujianfeng@...wei.com>
---
 kernel/cgroup/cpuset.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index c12b9fdb22a4..a553e3d46498 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -4009,8 +4009,6 @@ cpuset_css_alloc(struct cgroup_subsys_state *parent_css)
 	}
 
 	__set_bit(CS_SCHED_LOAD_BALANCE, &cs->flags);
-	nodes_clear(cs->mems_allowed);
-	nodes_clear(cs->effective_mems);
 	fmeter_init(&cs->fmeter);
 	cs->relax_domain_level = -1;
 	INIT_LIST_HEAD(&cs->remote_sibling);
-- 
2.34.1