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-rw-r--r--kernel/power/process.c17
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;