From: Tejun Heo <tj@kernel.org>
Date: Tue, 10 Apr 2012 17:16:36 +0000 (-0700)
Subject: cgroup: remove cgroup_subsys->populate()
X-Git-Tag: v3.5-rc1~142^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=86f82d561864e902c70282b6f17cf590c0f34691;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

cgroup: remove cgroup_subsys->populate()

With memcg converted, cgroup_subsys->populate() doesn't have any user
left.  Remove it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
---

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 565c803..d3f5fba 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -472,7 +472,6 @@ struct cgroup_subsys {
 	void (*fork)(struct task_struct *task);
 	void (*exit)(struct cgroup *cgrp, struct cgroup *old_cgrp,
 		     struct task_struct *task);
-	int (*populate)(struct cgroup_subsys *ss, struct cgroup *cgrp);
 	void (*post_clone)(struct cgroup *cgrp);
 	void (*bind)(struct cgroup *root);
 
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 2905977..b2f203f 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -3842,9 +3842,6 @@ static int cgroup_populate_dir(struct cgroup *cgrp)
 	for_each_subsys(cgrp->root, ss) {
 		struct cftype_set *set;
 
-		if (ss->populate && (err = ss->populate(ss, cgrp)) < 0)
-			return err;
-
 		list_for_each_entry(set, &ss->cftsets, node)
 			cgroup_addrm_files(cgrp, ss, set->cfts, true);
 	}