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-rw-r--r--mm/oom_kill.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index e90f25d6385d..8b84661a6410 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -64,6 +64,8 @@ int sysctl_oom_dump_tasks = 1;
* and mark_oom_victim
*/
DEFINE_MUTEX(oom_lock);
+/* Serializes oom_score_adj and oom_score_adj_min updates */
+DEFINE_MUTEX(oom_adj_mutex);
static inline bool is_memcg_oom(struct oom_control *oc)
{