Commit bef67c5a authored Jul 04, 2008 by Li Zefan Committed by Linus Torvalds Jul 04, 2008

cgroups: document the effect of attaching PID 0 to a cgroup



Document that a pid of zero(0) can be used to refer to the current task
when attaching a task to a cgroup, as in the following usage:

	# echo 0 > /dev/cgroup/tasks

This is consistent with existing cpuset behavior.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Jackson <pj@sgi.com>
Acked-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 4e0d13cb

Documentation/cgroups.txt

+4 −0

Original line number	Diff line number	Diff line
		@@ -390,6 +390,10 @@ If you have several tasks to attach, you have to do it one after another:
		...
		# /bin/echo PIDn > tasks

		You can attach the current shell task by echoing 0:

		# echo 0 > tasks

		3. Kernel API
		=============