The patch titled
Subject: mm/slab: use list_move instead of list_del/list_add
has been added to the -mm tree. Its filename is
mm-slab-use-list_move-instead-of-list_del-list_add.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-slab-use-list_move-instead-of-list_del-list_add.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-slab-use-list_move-instead-of-list_del-list_add.patch
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------------------------------------------------------
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Subject: mm/slab: use list_move instead of list_del/list_add
Using list_move() instead of list_del() + list_add() to avoid needlessly
poisoning the next and prev values.
Link: http://lkml.kernel.org/r/1468929772-9174-1-git-send-email-weiyj_lk@xxxxxxx
Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slab.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN mm/slab.c~mm-slab-use-list_move-instead-of-list_del-list_add mm/slab.c
--- a/mm/slab.c~mm-slab-use-list_move-instead-of-list_del-list_add
+++ a/mm/slab.c
@@ -3452,8 +3452,7 @@ static void free_block(struct kmem_cache
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);
}
}
_
Patches currently in -mm which might be from yongjun_wei@xxxxxxxxxxxxxxxxx are
mm-slab-use-list_move-instead-of-list_del-list_add.patch
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