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-rw-r--r--include/linux/swap.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index b489bd77bbdc..f02fb5db8914 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -266,6 +266,10 @@ struct swap_info_struct {
* both locks need hold, hold swap_lock
* first.
*/
+ spinlock_t cont_lock; /*
+ * protect swap count continuation page
+ * list.
+ */
struct work_struct discard_work; /* discard worker */
struct swap_cluster_list discard_clusters; /* discard clusters list */
};