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authorThomas Gleixner <tglx@linutronix.de>2016-07-04 12:26:05 +0200
committerThomas Gleixner <tglx@linutronix.de>2016-07-04 12:26:05 +0200
commit8658be133baa92c06b6d832a436d437deb2e2a22 (patch)
tree8f798f4aae5892533831487e4838a85b95414a0f /kernel/power/process.c
parent4030103b9b2e060512f8292bb62582adfd02ebe8 (diff)
parent5e385a6ef31fbbf2acbda770aecc2bc2ff933d17 (diff)
Merge branch 'irq/for-block' into irq/core
Pull the irq affinity managing code which is in a seperate branch for block developers to pull.
Diffstat (limited to 'kernel/power/process.c')
-rw-r--r--kernel/power/process.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c
index df058bed53ce..0c2ee9761d57 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -146,6 +146,18 @@ int freeze_processes(void)
if (!error && !oom_killer_disable())
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;