diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index baa97d0edade..df364a8783b5 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -38,6 +38,7 @@
 #include <linux/compat.h>
 #include <linux/rculist.h>
 #include <linux/capability.h>
+#include <linux/seqlock.h>
 #include <net/busy_poll.h>
 
 /*
@@ -312,6 +313,9 @@ struct eventpoll {
 	/* Lock which protects rdllist and ovflist */
 	spinlock_t lock;
 
+	/* Protect switching between rdllist and ovflist */
+	seqcount_spinlock_t seq;
+
 	/* RB tree root used to store monitored fd structs */
 	struct rb_root_cached rbr;
 
@@ -590,7 +594,10 @@ static inline void epi_clear_ovflist(struct epitem *epi)
 /* True iff @ep has ready events that epoll_wait() might harvest. */
 static inline bool ep_events_available(struct eventpoll *ep)
 {
-	return !list_empty_careful(&ep->rdllist) || ep_is_scanning(ep);
+	unsigned int seq = read_seqcount_begin(&ep->seq);
+
+	return !list_empty_careful(&ep->rdllist) || ep_is_scanning(ep) ||
+		read_seqcount_retry(&ep->seq, seq);
 }
 
 #ifdef CONFIG_NET_RX_BUSY_POLL
@@ -947,8 +954,12 @@ static void ep_start_scan(struct eventpoll *ep, struct list_head *scan_batch)
 	 */
 	lockdep_assert_irqs_enabled();
 	spin_lock_irq(&ep->lock);
+	write_seqcount_begin(&ep->seq);
+
 	list_splice_init(&ep->rdllist, scan_batch);
 	ep_enter_scan(ep);
+
+	write_seqcount_end(&ep->seq);
 	spin_unlock_irq(&ep->lock);
 }
 
@@ -979,6 +990,9 @@ static void ep_done_scan(struct eventpoll *ep,
 			ep_pm_stay_awake(epi);
 		}
 	}
+
+	write_seqcount_begin(&ep->seq);
+
 	/* Back out of scan mode; callbacks target ep->rdllist again. */
 	ep_exit_scan(ep);
 
@@ -986,6 +1000,9 @@ static void ep_done_scan(struct eventpoll *ep,
 	 * Quickly re-inject items left on "scan_batch".
 	 */
 	list_splice(scan_batch, &ep->rdllist);
+
+	write_seqcount_end(&ep->seq);
+
 	__pm_relax(ep->ws);
 
 	if (!list_empty(&ep->rdllist)) {
@@ -1405,6 +1422,7 @@ static int ep_alloc(struct eventpoll **pep)
 
 	mutex_init(&ep->mtx);
 	spin_lock_init(&ep->lock);
+	seqcount_spinlock_init(&ep->seq, &ep->lock);
 	init_waitqueue_head(&ep->wq);
 	init_waitqueue_head(&ep->poll_wait);
 	INIT_LIST_HEAD(&ep->rdllist);