Merge branch 'akpm' (patches from Andrew)

Merge updates from Andrew Morton:

 - fsnotify updates

 - ocfs2 updates

 - all of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (127 commits)
  console: don't prefer first registered if DT specifies stdout-path
  cred: simpler, 1D supplementary groups
  CREDITS: update Pavel's information, add GPG key, remove snail mail address
  mailmap: add Johan Hovold
  .gitattributes: set git diff driver for C source code files
  uprobes: remove function declarations from arch/{mips,s390}
  spelling.txt: "modeled" is spelt correctly
  nmi_backtrace: generate one-line reports for idle cpus
  arch/tile: adopt the new nmi_backtrace framework
  nmi_backtrace: do a local dump_stack() instead of a self-NMI
  nmi_backtrace: add more trigger_*_cpu_backtrace() methods
  min/max: remove sparse warnings when they're nested
  Documentation/filesystems/proc.txt: add more description for maps/smaps
  mm, proc: fix region lost in /proc/self/smaps
  proc: fix timerslack_ns CAP_SYS_NICE check when adjusting self
  proc: add LSM hook checks to /proc/<tid>/timerslack_ns
  proc: relax /proc/<tid>/timerslack_ns capability requirements
  meminfo: break apart a very long seq_printf with #ifdefs
  seq/proc: modify seq_put_decimal_[u]ll to take a const char *, not char
  proc: faster /proc/*/status
  ...

1 files changed, 3 insertions, 14 deletions

diff --git a/kernel/power/process.c b/kernel/power/process.c
index 8f27d5a8adf6..2fba066e125f 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -144,23 +144,12 @@ int freeze_processes(void)
 	/*
 	 * Now that the whole userspace is frozen we need to disbale
 	 * the OOM killer to disallow any further interference with
-	 * killable tasks.
+	 * killable tasks. There is no guarantee oom victims will
+	 * ever reach a point they go away we have to wait with a timeout.
 	 */
-	if (!error && !oom_killer_disable())
+	if (!error && !oom_killer_disable(msecs_to_jiffies(freeze_timeout_msecs)))
 		error = -EBUSY;
 
-	/*
-	 * There is a hard to fix race between oom_reaper kernel thread
-	 * and oom_killer_disable. oom_reaper calls exit_oom_victim
-	 * before the victim reaches exit_mm so try to freeze all the tasks
-	 * again and catch such a left over task.
-	 */
-	if (!error) {
-		pr_info("Double checking all user space processes after OOM killer disable... ");
-		error = try_to_freeze_tasks(true);
-		pr_cont("\n");
-	}
-
 	if (error)
 		thaw_processes();
 	return error;