local_lock(&lru_pvecs.lock);
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
-@@ -2688,6 +2688,7 @@ SYSCALL_DEFINE1(swapoff, const char __us
+@@ -2689,6 +2689,7 @@ SYSCALL_DEFINE1(swapoff, const char __us
err = 0;
atomic_inc(&proc_poll_event);
wake_up_interruptible(&proc_poll_wait);
out_dput:
filp_close(victim, NULL);
-@@ -3349,6 +3350,7 @@ SYSCALL_DEFINE2(swapon, const char __use
+@@ -3350,6 +3351,7 @@ SYSCALL_DEFINE2(swapon, const char __use
mutex_unlock(&swapon_mutex);
atomic_inc(&proc_poll_event);
wake_up_interruptible(&proc_poll_wait);