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From: Wei Yongjun <weiyj_lk@163.com>
To: Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: [PATCH -next] mm/slab: use list_move instead of list_del/list_add
Date: Tue, 19 Jul 2016 12:02:52 +0000	[thread overview]
Message-ID: <1468929772-9174-1-git-send-email-weiyj_lk@163.com> (raw)

From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Using list_move() instead of list_del() + list_add().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 mm/slab.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index 32c2296..cc6d816 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3452,8 +3452,7 @@ static void free_block(struct kmem_cache *cachep, void **objpp,
 		n->free_objects -= cachep->num;
 
 		page = list_last_entry(&n->slabs_free, struct page, lru);
-		list_del(&page->lru);
-		list_add(&page->lru, list);
+		list_move(&page->lru, list);
 	}
 }
 




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             reply	other threads:[~2016-07-19 12:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-19 12:02 Wei Yongjun [this message]
2016-07-19 19:08 ` David Rientjes
2016-07-20  0:40 ` Christoph Lameter

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