Merge branch 'for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup changes from Tejun Heo:
 "Three mostly trivial patches.  The biggest change is that blkio is now
  initialized before memcg which will be needed to make memcg and blkcg
  cooperate on writeback IOs"

* 'for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: add dummy css_put() for !CONFIG_CGROUPS
  cgroup: reorder SUBSYS(blkio) in cgroup_subsys.h
  Update of Documentation/cgroups/00-INDEX
This commit is contained in:
Linus Torvalds 2015-02-09 19:07:45 -08:00
commit 15763db134
3 changed files with 10 additions and 4 deletions

View File

@ -24,3 +24,5 @@ net_prio.txt
- Network priority cgroups details and usages.
resource_counter.txt
- Resource Counter API.
unified-hierarchy.txt
- Description the new/next cgroup interface.

View File

@ -943,6 +943,8 @@ struct cgroup_subsys_state *css_tryget_online_from_dir(struct dentry *dentry,
#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(struct cgroupstats *stats,
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)

View File

@ -15,6 +15,10 @@ SUBSYS(cpu)
SUBSYS(cpuacct)
#endif
#if IS_ENABLED(CONFIG_BLK_CGROUP)
SUBSYS(blkio)
#endif
#if IS_ENABLED(CONFIG_MEMCG)
SUBSYS(memory)
#endif
@ -31,10 +35,6 @@ SUBSYS(freezer)
SUBSYS(net_cls)
#endif
#if IS_ENABLED(CONFIG_BLK_CGROUP)
SUBSYS(blkio)
#endif
#if IS_ENABLED(CONFIG_CGROUP_PERF)
SUBSYS(perf_event)
#endif