sched: new clone flag CLONE_NEWCGROUP for cgroup namespace

CLONE_NEWCGROUP will be used to create new cgroup namespace.

Signed-off-by: Aditya Kali <adityakali@google.com>
Signed-off-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/include/uapi/linux/sched.h b/include/uapi/linux/sched.h
index cc89dde..5f0fe01 100644 (file)
--- a/include/uapi/linux/sched.h
+++ b/include/uapi/linux/sched.h
@@ -21,8 +21,7 @@
 #define CLONE_DETACHED         0x00400000      /* Unused, ignored */
 #define CLONE_UNTRACED         0x00800000      /* set if the tracing process can't force CLONE_PTRACE on this clone */
 #define CLONE_CHILD_SETTID     0x01000000      /* set the TID in the child */
-/* 0x02000000 was previously the unused CLONE_STOPPED (Start in stopped state)
-   and is now available for re-use. */
+#define CLONE_NEWCGROUP                0x02000000      /* New cgroup namespace */
 #define CLONE_NEWUTS           0x04000000      /* New utsname namespace */
 #define CLONE_NEWIPC           0x08000000      /* New ipc namespace */
 #define CLONE_NEWUSER          0x10000000      /* New user namespace */