aboutsummaryrefslogtreecommitdiff
path: root/kernel/cgroup.c
diff options
context:
space:
mode:
authorPaul Menage <menage@google.com>2008-04-29 01:00:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 08:06:09 -0700
commit3116f0e3df0a67ad56f15dd4c5f6cefb04bb4a98 (patch)
tree27dc8e1000eb7c3e36157963415a0bc8b8555e44 /kernel/cgroup.c
parentc27e8818a09bbdfe7c07c629cb2c27e1a742e156 (diff)
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 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 693bcc03188..b5ef0c4772f 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -119,17 +119,6 @@ static int root_count;
*/
static int need_forkexit_callback;
-/* 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,
-};
-
/* convenient tests for these bits */
inline int cgroup_is_removed(const struct cgroup *cgrp)
{
@@ -1307,7 +1296,6 @@ enum cgroup_filetype {
FILE_DIR,
FILE_TASKLIST,
FILE_NOTIFY_ON_RELEASE,
- FILE_RELEASABLE,
FILE_RELEASE_AGENT,
};
@@ -2186,11 +2174,6 @@ static u64 cgroup_read_notify_on_release(struct cgroup *cgrp,
return notify_on_release(cgrp);
}
-static u64 cgroup_read_releasable(struct cgroup *cgrp, struct cftype *cft)
-{
- return test_bit(CGRP_RELEASABLE, &cgrp->flags);
-}
-
/*
* for the common functions, 'private' gives the type of file
*/
@@ -2210,12 +2193,6 @@ static struct cftype files[] = {
.write = cgroup_common_file_write,
.private = FILE_NOTIFY_ON_RELEASE,
},
-
- {
- .name = "releasable",
- .read_u64 = cgroup_read_releasable,
- .private = FILE_RELEASABLE,
- }
};
static struct cftype cft_release_agent = {