From: Zefan Li <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Cgroups <cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: [PATCH] blkcg: remove redundant code in blkcg_css_free()
Date: Mon, 4 May 2015 08:41:16 +0800 [thread overview]
Message-ID: <5546C02C.3060803@huawei.com> (raw)
The check was needed only when we supported modular cgroup subsystem.
Signed-off-by: Zefan Li <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
---
block/blk-cgroup.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 0ac817b..92b7edd 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -814,9 +814,7 @@ static void blkcg_css_offline(struct cgroup_subsys_state *css)
static void blkcg_css_free(struct cgroup_subsys_state *css)
{
struct blkcg *blkcg = css_to_blkcg(css);
-
- if (blkcg != &blkcg_root)
- kfree(blkcg);
+ kfree(blkcg);
}
static struct cgroup_subsys_state *
--
1.9.1
next reply other threads:[~2015-05-04 0:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-04 0:41 Zefan Li [this message]
[not found] ` <5546C02C.3060803-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2015-05-04 16:16 ` [PATCH] blkcg: remove redundant code in blkcg_css_free() Tejun Heo
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