cgroup/cpuset: Remove unnecessary zeroing

Xiu Jianfeng · htejun · commit d9fc6b422062 · 2024-05-26T08:28:30.000-10:00
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 &lt;xiujianfeng@huawei.com&gt;
Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
diff --git 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);

Original file line number	Diff line number	Diff line change
`@@ -4009,8 +4009,6 @@ cpuset_css_alloc(struct cgroup_subsys_state *parent_css)`
`4009`	`4009`	`}`
`4010`	`4010`
`4011`	`4011`	`__set_bit(CS_SCHED_LOAD_BALANCE, &cs->flags);`
`4012`		`- nodes_clear(cs->mems_allowed);`
`4013`		`- nodes_clear(cs->effective_mems);`
`4014`	`4012`	`fmeter_init(&cs->fmeter);`
`4015`	`4013`	`cs->relax_domain_level = -1;`
`4016`	`4014`	`INIT_LIST_HEAD(&cs->remote_sibling);`