From: Tejun Heo <tj@kernel.org>
To: Li Zefan <lizefan@huawei.com>
Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/2 cgroup/for-3.20] cgroup: add dummy css_put() for !CONFIG_CGROUPS
Date: Tue, 6 Jan 2015 11:58:15 -0500 [thread overview]
Message-ID: <20150106165815.GJ3077@htj.dyndns.org> (raw)
In-Reply-To: <20150106165720.GI3077@htj.dyndns.org>
This will later be depended upon by the scheduled cgroup writeback
support.
Signed-off-by: Tejun Heo <tj@kernel.org>
---
include/linux/cgroup.h | 4 ++++
1 file changed, 4 insertions(+)
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -943,6 +943,8 @@ struct cgroup_subsys_state *css_tryget_o
#else /* !CONFIG_CGROUPS */
+struct cgroup_subsys_state;
+
static inline int cgroup_init_early(void) { return 0; }
static inline int cgroup_init(void) { return 0; }
static inline void cgroup_fork(struct task_struct *p) {}
@@ -955,6 +957,8 @@ static inline int cgroupstats_build(stru
return -EINVAL;
}
+static inline void css_put(struct cgroup_subsys_state *css) {}
+
/* No cgroups - nothing to do */
static inline int cgroup_attach_task_all(struct task_struct *from,
struct task_struct *t)
next prev parent reply other threads:[~2015-01-06 16:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-06 16:57 [PATCH 1/2 cgroup/for-3.20] cgroup: reorder SUBSYS(blkio) in cgroup_subsys.h Tejun Heo
2015-01-06 16:58 ` Tejun Heo [this message]
2015-01-07 3:57 ` [PATCH 2/2 cgroup/for-3.20] cgroup: add dummy css_put() for !CONFIG_CGROUPS Zefan Li
2015-01-07 3:57 ` [PATCH 1/2 cgroup/for-3.20] cgroup: reorder SUBSYS(blkio) in cgroup_subsys.h Zefan Li
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