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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
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15763db134
@ -24,3 +24,5 @@ net_prio.txt
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- Network priority cgroups details and usages.
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resource_counter.txt
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- Resource Counter API.
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unified-hierarchy.txt
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- Description the new/next cgroup interface.
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@ -943,6 +943,8 @@ struct cgroup_subsys_state *css_tryget_online_from_dir(struct dentry *dentry,
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#else /* !CONFIG_CGROUPS */
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struct cgroup_subsys_state;
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static inline int cgroup_init_early(void) { return 0; }
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static inline int cgroup_init(void) { return 0; }
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static inline void cgroup_fork(struct task_struct *p) {}
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@ -955,6 +957,8 @@ static inline int cgroupstats_build(struct cgroupstats *stats,
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return -EINVAL;
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}
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static inline void css_put(struct cgroup_subsys_state *css) {}
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/* No cgroups - nothing to do */
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static inline int cgroup_attach_task_all(struct task_struct *from,
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struct task_struct *t)
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@ -15,6 +15,10 @@ SUBSYS(cpu)
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SUBSYS(cpuacct)
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#endif
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#if IS_ENABLED(CONFIG_BLK_CGROUP)
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SUBSYS(blkio)
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#endif
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#if IS_ENABLED(CONFIG_MEMCG)
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SUBSYS(memory)
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#endif
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@ -31,10 +35,6 @@ SUBSYS(freezer)
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SUBSYS(net_cls)
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#endif
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#if IS_ENABLED(CONFIG_BLK_CGROUP)
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SUBSYS(blkio)
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#endif
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#if IS_ENABLED(CONFIG_CGROUP_PERF)
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SUBSYS(perf_event)
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#endif
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