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| author | Paul Menage <menage@google.com> | 2008-04-29 01:00:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-29 08:06:09 -0700 |
| commit | 3116f0e3df0a67ad56f15dd4c5f6cefb04bb4a98 (patch) | |
| tree | 27dc8e1000eb7c3e36157963415a0bc8b8555e44 /include/linux/cgroup.h | |
| parent | c27e8818a09bbdfe7c07c629cb2c27e1a742e156 (diff) | |
| download | lwn-3116f0e3df0a67ad56f15dd4c5f6cefb04bb4a98.tar.gz lwn-3116f0e3df0a67ad56f15dd4c5f6cefb04bb4a98.zip | |
CGroup API files: move "releasable" to cgroup_debug subsystem
The "releasable" control file provided by the cgroup framework exports the
state of a per-cgroup flag that's related to the notify-on-release feature.
This isn't really generally useful, unless you're trying to debug this
particular feature of cgroups.
This patch moves the "releasable" file to the cgroup_debug subsystem.
Signed-off-by: Paul Menage <menage@google.com>
Cc: "Li Zefan" <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Paul Jackson <pj@sgi.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "YAMAMOTO Takashi" <yamamoto@valinux.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/cgroup.h')
| -rw-r--r-- | include/linux/cgroup.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 0a3ab670dd2f..b40fd5ee9a76 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -88,6 +88,17 @@ static inline void css_put(struct cgroup_subsys_state *css) __css_put(css); } +/* bits in struct cgroup flags field */ +enum { + /* Control Group is dead */ + CGRP_REMOVED, + /* Control Group has previously had a child cgroup or a task, + * but no longer (only if CGRP_NOTIFY_ON_RELEASE is set) */ + CGRP_RELEASABLE, + /* Control Group requires release notifications to userspace */ + CGRP_NOTIFY_ON_RELEASE, +}; + struct cgroup { unsigned long flags; /* "unsigned long" so bitops work */ |