If list is empty, list_for_each_entry_safe() doesn't do anything.
So, this check is redundant. Remove it.
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 3ac0a6f..7ca8733 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1017,11 +1017,8 @@ free:
spin_unlock(&hugetlb_lock);
/* Free unnecessary surplus pages to the buddy allocator */
- if (!list_empty(&surplus_list)) {
- list_for_each_entry_safe(page, tmp, &surplus_list, lru) {
- put_page(page);
- }
- }
+ list_for_each_entry_safe(page, tmp, &surplus_list, lru)
+ put_page(page);
spin_lock(&hugetlb_lock);
return ret;
--
1.7.9.5
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