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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-29 02:14:46 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-29 02:14:46 +0200
commit60f593977b28fd3acbe4c3ca5eb6acf8ddf34d9e (patch)
treee879802c040d2748a25f2f95a5254dca2f82bcc8 /include/linux/sched.h
parentff8e2c560eca32043ed097099debac488a4bd99f (diff)
parent9ffecb10283508260936b96022d4ee43a7798b4c (diff)
Merge 4.3-rc3 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index a4ab9daa387c..b7b9501b41af 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -762,6 +762,18 @@ struct signal_struct {
unsigned audit_tty_log_passwd;
struct tty_audit_buf *tty_audit_buf;
#endif
+#ifdef CONFIG_CGROUPS
+ /*
+ * group_rwsem prevents new tasks from entering the threadgroup and
+ * member tasks from exiting,a more specifically, setting of
+ * PF_EXITING. fork and exit paths are protected with this rwsem
+ * using threadgroup_change_begin/end(). Users which require
+ * threadgroup to remain stable should use threadgroup_[un]lock()
+ * which also takes care of exec path. Currently, cgroup is the
+ * only user.
+ */
+ struct rw_semaphore group_rwsem;
+#endif
oom_flags_t oom_flags;
short oom_score_adj; /* OOM kill score adjustment */