From 479f614110b889d5783acdaec865ede3cdb96b97 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Fri, 29 Mar 2013 14:44:42 +0800 Subject: [PATCH] cgroup: Kill subsys.active flag The only user was cpuacct. Acked-by: Tejun Heo Signed-off-by: Li Zefan Acked-by: Peter Zijlstra Link: http://lkml.kernel.org/r/5155385A.4040207@huawei.com Signed-off-by: Ingo Molnar --- include/linux/cgroup.h | 1 - kernel/cgroup.c | 3 --- 2 files changed, 4 deletions(-) diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 900af5964f55..95c02c0e35b3 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -458,7 +458,6 @@ struct cgroup_subsys { void (*bind)(struct cgroup *root); int subsys_id; - int active; int disabled; int early_init; /* diff --git a/kernel/cgroup.c b/kernel/cgroup.c index a32f9432666c..5c462813722d 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -4468,7 +4468,6 @@ static void __init cgroup_init_subsys(struct cgroup_subsys *ss) * need to invoke fork callbacks here. */ BUG_ON(!list_empty(&init_task.tasks)); - ss->active = 1; BUG_ON(online_css(ss, dummytop)); mutex_unlock(&cgroup_mutex); @@ -4573,7 +4572,6 @@ int __init_or_module cgroup_load_subsys(struct cgroup_subsys *ss) } write_unlock(&css_set_lock); - ss->active = 1; ret = online_css(ss, dummytop); if (ret) goto err_unload; @@ -4614,7 +4612,6 @@ void cgroup_unload_subsys(struct cgroup_subsys *ss) mutex_lock(&cgroup_mutex); offline_css(ss, dummytop); - ss->active = 0; if (ss->use_id) idr_destroy(&ss->idr); -- 2.20.1