linux-kernel - [PATCH] cgroup_freezer: explicitly init the early

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Message-Id: <1398144489-9412-1-git-send-email-nasa4836@gmail.com>
Date:	Tue, 22 Apr 2014 13:28:09 +0800
From:	Jianyu Zhan <nasa4836@...il.com>
To:	tj@...nel.org, lizefan@...wei.com
Cc:	containers@...ts.linux-foundation.org, cgroups@...r.kernel.org,
	linux-kernel@...r.kernel.org, nasa4836@...il.com
Subject: [PATCH] cgroup_freezer: explicitly init the early_init field

For a cgroup subsystem who should init early, then it should carefully
take care of the implementation of css_alloc, because it will be called
before mm_init() setup the world.

Luckily we don't, and we better explicitly assign the early_init field
to 0, for document reason.

Signed-off-by: Jianyu Zhan <nasa4836@...il.com>
---
 kernel/cgroup_freezer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index 2bc4a22..74fe7f7 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -501,4 +501,5 @@ struct cgroup_subsys freezer_cgrp_subsys = {
 	.attach		= freezer_attach,
 	.fork		= freezer_fork,
 	.base_cftypes	= files,
+	.early_init	= 0,
 };
-- 
2.0.0-rc0

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