* [PATCH] mm: use list_move_tail instead of list_del/list_add_tail
@ 2012-09-05 6:36 Wei Yongjun
0 siblings, 0 replies; only message in thread
From: Wei Yongjun @ 2012-09-05 6:36 UTC (permalink / raw)
To: akpm; +Cc: yongjun_wei, linux-mm, linux-kernel
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Using list_move_tail() instead of list_del() + list_add_tail().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
mm/rmap.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/rmap.c b/mm/rmap.c
index 0f3b7cd..6333654 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -307,8 +307,7 @@ void anon_vma_moveto_tail(struct vm_area_struct *dst)
struct anon_vma *anon_vma = pavc->anon_vma;
VM_BUG_ON(pavc->vma != dst);
root = lock_anon_vma_root(root, anon_vma);
- list_del(&pavc->same_anon_vma);
- list_add_tail(&pavc->same_anon_vma, &anon_vma->head);
+ list_move_tail(&pavc->same_anon_vma, &anon_vma->head);
}
unlock_anon_vma_root(root);
}
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2012-09-05 6:36 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-09-05 6:36 [PATCH] mm: use list_move_tail instead of list_del/list_add_tail Wei Yongjun
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).