From: Daniel Vacek <neelx@xxxxxxxxxx>
Commit 21786e5cb375a1e58a9175fee423e1d7f892d965 upstream.
cpuset_rwsem is a static variable defined with DEFINE_STATIC_PERCPU_RWSEM().
It's initialized at build time and so there's no need for explicit runtime
init leaking one percpu int.
Signed-off-by: Daniel Vacek <neelx@xxxxxxxxxx>
Reviewed-by: Aaron Tomlin <atomlin@xxxxxxxxxxx>
Acked-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Luiz Capitulino <luizcap@xxxxxxxxxx>
---
kernel/cgroup/cpuset.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 0496b88fcd63..4baae4b3c9a0 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -3391,8 +3391,6 @@ struct cgroup_subsys cpuset_cgrp_subsys = {
int __init cpuset_init(void)
{
- BUG_ON(percpu_init_rwsem(&cpuset_rwsem));
-
BUG_ON(!alloc_cpumask_var(&top_cpuset.cpus_allowed, GFP_KERNEL));
BUG_ON(!alloc_cpumask_var(&top_cpuset.effective_cpus, GFP_KERNEL));
BUG_ON(!zalloc_cpumask_var(&top_cpuset.subparts_cpus, GFP_KERNEL));
--
2.40.1
