1 files changed, 7 insertions, 2 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 66698f603aa4..d303b60f4c2a 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -231,8 +231,11 @@ unsigned long shrink_slab(unsigned long scanned, gfp_t gfp_mask,
         if (scanned == 0)
                 scanned = SWAP_CLUSTER_MAX;
 
-        if (!down_read_trylock(&shrinker_rwsem))
-                return 1;       /* Assume we'll be able to shrink next time */
+        if (!down_read_trylock(&shrinker_rwsem)) {
+                /* Assume we'll be able to shrink next time */
+                ret = 1;
+                goto out;
+        }
 
         list_for_each_entry(shrinker, &shrinker_list, list) {
                 unsigned long long delta;
@@ -283,6 +286,8 @@ unsigned long shrink_slab(unsigned long scanned, gfp_t gfp_mask,
                 shrinker->nr += total_scan;
         }
         up_read(&shrinker_rwsem);
+out:
+        cond_resched();
         return ret;
 }