summaryrefslogtreecommitdiffstats
path: root/kernel/power/process.c
diff options
context:
space:
mode:
authorJames Bottomley <James.Bottomley@HansenPartnership.com>2016-07-06 16:25:55 +0200
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2016-07-06 16:25:55 +0200
commitea1a25c3348abc33d7d94db28501766adf3d1c7d (patch)
treeca3c5c8b72532117034dd2d57a2a85eead13db7b /kernel/power/process.c
parentSCSI: fix new bug in scsi_dev_info_list string matching (diff)
parentqla2xxx: Fix NULL pointer deref in QLA interrupt (diff)
downloadlinux-ea1a25c3348abc33d7d94db28501766adf3d1c7d.tar.xz
linux-ea1a25c3348abc33d7d94db28501766adf3d1c7d.zip
Merge branch 'jejb-fixes' into fixes
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;