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Date:	Mon, 25 Feb 2008 13:53:47 +0800
From:	Li Zefan <>
To:	Andrew Morton <>
CC:	Paul Menage <>,
	LKML <>,
Subject: [PATCH] cgroup: fix default notify_on_release setting

The documentation says the default value of notify_on_release of
a child cgroup is inherited from its parent, which is reasonable,
but the implementation just sets the flag disabled.

Signed-off-by: Li Zefan <>
 kernel/cgroup.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index d8abe99..e9c2fb0 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2232,7 +2232,6 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry,
-	cgrp->flags = 0;
@@ -2242,6 +2241,9 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry,
 	cgrp->root = parent->root;
 	cgrp->top_cgroup = parent->top_cgroup;
+	if (notify_on_release(parent))
+		set_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags);
 	for_each_subsys(root, ss) {
 		struct cgroup_subsys_state *css = ss->create(ss, cgrp);
 		if (IS_ERR(css)) {

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