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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 06:21:53 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 06:21:53 (GMT) |
commit | a9986464564609dd0962e6023513f7d3d313dc80 (patch) | |
tree | bcec3cd7404bdf3ac2e205a8cce5810b90ece6bf /include | |
parent | 13aa7e0bc20f7f7e5ef45f0defc4ff4380802302 (diff) | |
parent | 73ba353471e0b692f398f3d63018b7f46ccf1d3e (diff) | |
download | linux-fsl-qoriq-a9986464564609dd0962e6023513f7d3d313dc80.tar.xz |
Merge branch 'for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup changes from Tejun Heo:
"Not too much activity this time around. css_id is finally killed and
a minor update to device_cgroup"
* 'for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
device_cgroup: remove can_attach
cgroup: kill css_id
memcg: stop using css id
memcg: fail to create cgroup if the cgroup id is too big
memcg: convert to use cgroup id
memcg: convert to use cgroup_is_descendant()
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/cgroup.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 3561d30..39c1d94 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -612,11 +612,6 @@ struct cgroup_subsys { int subsys_id; int disabled; int early_init; - /* - * True if this subsys uses ID. ID is not available before cgroup_init() - * (not available in early_init time.) - */ - bool use_id; /* * If %false, this subsystem is properly hierarchical - @@ -642,9 +637,6 @@ struct cgroup_subsys { */ struct cgroupfs_root *root; struct list_head sibling; - /* used when use_id == true */ - struct idr idr; - spinlock_t id_lock; /* list of cftype_sets */ struct list_head cftsets; @@ -875,35 +867,6 @@ int css_scan_tasks(struct cgroup_subsys_state *css, int cgroup_attach_task_all(struct task_struct *from, struct task_struct *); int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from); -/* - * CSS ID is ID for cgroup_subsys_state structs under subsys. This only works - * if cgroup_subsys.use_id == true. It can be used for looking up and scanning. - * CSS ID is assigned at cgroup allocation (create) automatically - * and removed when subsys calls free_css_id() function. This is because - * the lifetime of cgroup_subsys_state is subsys's matter. - * - * Looking up and scanning function should be called under rcu_read_lock(). - * Taking cgroup_mutex is not necessary for following calls. - * But the css returned by this routine can be "not populated yet" or "being - * destroyed". The caller should check css and cgroup's status. - */ - -/* - * Typically Called at ->destroy(), or somewhere the subsys frees - * cgroup_subsys_state. - */ -void free_css_id(struct cgroup_subsys *ss, struct cgroup_subsys_state *css); - -/* Find a cgroup_subsys_state which has given ID */ - -struct cgroup_subsys_state *css_lookup(struct cgroup_subsys *ss, int id); - -/* Returns true if root is ancestor of cg */ -bool css_is_ancestor(struct cgroup_subsys_state *cg, - const struct cgroup_subsys_state *root); - -/* Get id and depth of css */ -unsigned short css_id(struct cgroup_subsys_state *css); struct cgroup_subsys_state *css_from_dir(struct dentry *dentry, struct cgroup_subsys *ss); |