[PATCH 5/9] mm, hugetlb: remove redundant list_empty check in gather_surplus_pages()

Joonsoo Kim
2013-07-15T10:08:09Z

If list is empty, list_for_each_entry_safe() doesn't do anything.
So, this check is redundant. Remove it.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index a838e6b..d4a1695 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1019,10 +1019,8 @@ 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);

--
1.7.9.5