cgroup/pids: Remove superfluous zeroing

Werkov · htejun · commit 15b8b9ab5081 · 2024-04-16T09:18:36.000-10:00
Atomic counters are in kzalloc'd struct. They are zeroed already and
atomic64_t does not need special initialization
(cf kernel/trace/trace_clock.c:trace_counter).

Signed-off-by: Michal Koutný &lt;mkoutny@suse.com&gt;
Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
diff --git a/kernel/cgroup/pids.c b/kernel/cgroup/pids.c
@@ -75,9 +75,7 @@ pids_css_alloc(struct cgroup_subsys_state *parent)
 	if (!pids)
 		return ERR_PTR(-ENOMEM);
 
-	atomic64_set(&pids->counter, 0);
 	atomic64_set(&pids->limit, PIDS_MAX);
-	atomic64_set(&pids->events_limit, 0);
 	return &pids->css;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -75,9 +75,7 @@ pids_css_alloc(struct cgroup_subsys_state *parent)`
`75`	`75`	`if (!pids)`
`76`	`76`	`return ERR_PTR(-ENOMEM);`
`77`	`77`
`78`		`- atomic64_set(&pids->counter, 0);`
`79`	`78`	`atomic64_set(&pids->limit, PIDS_MAX);`
`80`		`- atomic64_set(&pids->events_limit, 0);`
`81`	`79`	`return &pids->css;`
`82`	`80`	`}`
`83`	`81`