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authorPaul Menage <menage@google.com>2007-10-18 23:39:34 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-19 11:53:36 -0700
commit697f41610863c9264a7ae26dac9a387c9dda8c84 (patch)
tree9d4321f93abe36920a8e9d5239d120803f6cabbc /Documentation
parentb4f48b6363c81ca743ef46943ef23fd72e60f679 (diff)
Task Control Groups: add cgroup_clone() interface
Add support for cgroup_clone(), a way to create new cgroups intended to be used for systems such as namespace unsharing. A new subsystem callback, post_clone(), is added to allow subsystems to automatically configure cloned cgroups. Signed-off-by: Paul Menage <menage@google.com> Cc: Serge E. Hallyn <serue@us.ibm.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Paul Jackson <pj@sgi.com> Cc: Kirill Korotaev <dev@openvz.org> Cc: Herbert Poetzl <herbert@13thfloor.at> Cc: Srivatsa Vaddagiri <vatsa@in.ibm.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cgroups.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/cgroups.txt b/Documentation/cgroups.txt
index 4717887fd75d..553727cc9944 100644
--- a/Documentation/cgroups.txt
+++ b/Documentation/cgroups.txt
@@ -504,6 +504,13 @@ include/linux/cgroup.h for details). Note that although this
method can return an error code, the error code is currently not
always handled well.
+void post_clone(struct cgroup_subsys *ss, struct cgroup *cont)
+
+Called at the end of cgroup_clone() to do any paramater
+initialization which might be required before a task could attach. For
+example in cpusets, no task may attach before 'cpus' and 'mems' are set
+up.
+
void bind(struct cgroup_subsys *ss, struct cgroup *root)
LL=callback_mutex