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cgroup: replace "cgroup.populated" with "cgroup.events"

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memcg already uses "memory.events" for event reporting and other
controllers may need event reporting too.  Let's standardize on
"$SUBSYS.events" interface file for reporting events which don't
happen too frequently and thus can share event notification.

"cgroup.populated" is replaced with "populated" field in
"cgroup.events" and documentation is updated accordingly.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
This commit is contained in:
Tejun Heo
2015-09-18 17:54:22 -04:00
parent 9e10a130d9
commit 4a07c222d3
3 changed files with 20 additions and 14 deletions
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2
include/linux/cgroup-defs.h
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@@ -226,7 +226,7 @@ struct cgroup {
struct kernfs_node *kn; /* cgroup kernfs entry */
struct kernfs_node *procs_kn; /* kn for "cgroup.procs" */
struct kernfs_node *populated_kn; /* kn for "cgroup.subtree_populated" */
struct kernfs_node *events_kn; /* kn for "cgroup.events" */
/*
* The bitmask of subsystems enabled on the child cgroups.