diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index b1102a31a108..80d904368613 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -374,6 +374,8 @@ static ssize_t __read_vmcore(char *buffer, size_t buflen, loff_t *fpos,
 		/* leave now if filled buffer already */
 		if (buflen == 0)
 			return acc;
+
+		cond_resched();
 	}
 
 	list_for_each_entry(m, &vmcore_list, list) {