diff options
Diffstat (limited to 'include/linux/cgroup.h')
| -rw-r--r-- | include/linux/cgroup.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 166d6de50dbf..b18fb5fcb38e 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -19,6 +19,7 @@ #include <linux/kernfs.h> #include <linux/jump_label.h> #include <linux/types.h> +#include <linux/notifier.h> #include <linux/ns_common.h> #include <linux/nsproxy.h> #include <linux/user_namespace.h> @@ -40,7 +41,7 @@ struct kernel_clone_args; #ifdef CONFIG_CGROUPS -enum { +enum css_task_iter_flags { CSS_TASK_ITER_PROCS = (1U << 0), /* walk only threadgroup leaders */ CSS_TASK_ITER_THREADED = (1U << 1), /* walk all threaded css_sets in the domain */ CSS_TASK_ITER_SKIPPED = (1U << 16), /* internal flags */ @@ -66,10 +67,16 @@ struct css_task_iter { struct list_head iters_node; /* css_set->task_iters */ }; +enum cgroup_lifetime_events { + CGROUP_LIFETIME_ONLINE, + CGROUP_LIFETIME_OFFLINE, +}; + extern struct file_system_type cgroup_fs_type; extern struct cgroup_root cgrp_dfl_root; extern struct css_set init_css_set; extern spinlock_t css_set_lock; +extern struct blocking_notifier_head cgroup_lifetime_notifier; #define SUBSYS(_x) extern struct cgroup_subsys _x ## _cgrp_subsys; #include <linux/cgroup_subsys.h> @@ -347,6 +354,17 @@ static inline bool css_is_dying(struct cgroup_subsys_state *css) return css->flags & CSS_DYING; } +static inline bool css_is_self(struct cgroup_subsys_state *css) +{ + if (css == &css->cgroup->self) { + /* cgroup::self should not have subsystem association */ + WARN_ON(css->ss != NULL); + return true; + } + + return false; +} + static inline void cgroup_get(struct cgroup *cgrp) { css_get(&cgrp->self); @@ -688,8 +706,8 @@ static inline void cgroup_path_from_kernfs_id(u64 id, char *buf, size_t buflen) /* * cgroup scalable recursive statistics. */ -void cgroup_rstat_updated(struct cgroup *cgrp, int cpu); -void cgroup_rstat_flush(struct cgroup *cgrp); +void css_rstat_updated(struct cgroup_subsys_state *css, int cpu); +void css_rstat_flush(struct cgroup_subsys_state *css); /* * Basic resource stats. |