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authorNeilBrown <neilb@suse.com>2015-09-05 11:07:04 +0200
committerNeilBrown <neilb@suse.com>2015-09-05 11:08:32 +0200
commite89c6fdf9e0eb1b5a03574d4ca73e83eae8deb91 (patch)
treef9df292ed03a5a3c4ddc658ae3646f02a1ffafce /include/linux/cgroup_subsys.h
parentc3cce6cda162eb2b2960a85d9c8992f4f3be85d0 (diff)
parent1081230b748de8f03f37f80c53dfa89feda9b8de (diff)
Merge linux-block/for-4.3/core into md/for-linux
There were a few conflicts that are fairly easy to resolve. Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'include/linux/cgroup_subsys.h')
-rw-r--r--include/linux/cgroup_subsys.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h
index e4a96fb14403..1f36945fd23d 100644
--- a/include/linux/cgroup_subsys.h
+++ b/include/linux/cgroup_subsys.h
@@ -3,6 +3,17 @@
*
* DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS.
*/
+
+/*
+ * This file *must* be included with SUBSYS() defined.
+ * SUBSYS_TAG() is a noop if undefined.
+ */
+
+#ifndef SUBSYS_TAG
+#define __TMP_SUBSYS_TAG
+#define SUBSYS_TAG(_x)
+#endif
+
#if IS_ENABLED(CONFIG_CPUSETS)
SUBSYS(cpuset)
#endif
@@ -48,11 +59,28 @@ SUBSYS(hugetlb)
#endif
/*
+ * Subsystems that implement the can_fork() family of callbacks.
+ */
+SUBSYS_TAG(CANFORK_START)
+
+#if IS_ENABLED(CONFIG_CGROUP_PIDS)
+SUBSYS(pids)
+#endif
+
+SUBSYS_TAG(CANFORK_END)
+
+/*
* The following subsystems are not supported on the default hierarchy.
*/
#if IS_ENABLED(CONFIG_CGROUP_DEBUG)
SUBSYS(debug)
#endif
+
+#ifdef __TMP_SUBSYS_TAG
+#undef __TMP_SUBSYS_TAG
+#undef SUBSYS_TAG
+#endif
+
/*
* DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS.
*/