lkml.org 
[lkml]   [2015]   [Dec]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] mm/memcontrol.c: use list_{first,next}_entry
Date
To make the intention clearer, use list_{first,next}_entry instead
of list_entry.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
mm/memcontrol.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 79a29d5..a6301ea 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5395,16 +5395,12 @@ static void uncharge_list(struct list_head *page_list)
unsigned long nr_file = 0;
unsigned long nr_huge = 0;
unsigned long pgpgout = 0;
- struct list_head *next;
struct page *page;

- next = page_list->next;
+ page = list_first_entry(page_list, struct page, lru);
do {
unsigned int nr_pages = 1;

- page = list_entry(next, struct page, lru);
- next = page->lru.next;
-
VM_BUG_ON_PAGE(PageLRU(page), page);
VM_BUG_ON_PAGE(page_count(page), page);

@@ -5440,7 +5436,8 @@ static void uncharge_list(struct list_head *page_list)
page->mem_cgroup = NULL;

pgpgout++;
- } while (next != page_list);
+ } while (!list_is_last(&page->lru, page_list) &&
+ (page = list_next_entry(page, lru)));

if (memcg)
uncharge_batch(memcg, pgpgout, nr_anon, nr_file,
--
2.5.0



\
 
 \ /
  Last update: 2015-12-03 15:41    [W:0.182 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site