[PATCH] mm/swapfile.c: use list_for_each_entry_safe in free_swap_count_continuations

From: Geliang Tang
Date: Tue Dec 15 2015 - 10:05:59 EST


Use list_for_each_entry_safe() instead of list_for_each_safe() to
simplify the code.

Signed-off-by: Geliang Tang <geliangtang@xxxxxxx>
---
mm/swapfile.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 7c714c6..31dc94f 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2957,11 +2957,10 @@ static void free_swap_count_continuations(struct swap_info_struct *si)
struct page *head;
head = vmalloc_to_page(si->swap_map + offset);
if (page_private(head)) {
- struct list_head *this, *next;
- list_for_each_safe(this, next, &head->lru) {
- struct page *page;
- page = list_entry(this, struct page, lru);
- list_del(this);
+ struct page *page, *next;
+
+ list_for_each_entry_safe(page, next, &head->lru, lru) {
+ list_del(&page->lru);
__free_page(page);
}
}
--
2.5.0


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