From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753549AbcBZGDT (ORCPT ); Fri, 26 Feb 2016 01:03:19 -0500 Received: from mail-pf0-f172.google.com ([209.85.192.172]:35416 "EHLO mail-pf0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753520AbcBZGCV (ORCPT ); Fri, 26 Feb 2016 01:02:21 -0500 From: js1304@gmail.com X-Google-Original-From: iamjoonsoo.kim@lge.com To: Andrew Morton Cc: Christoph Lameter , Pekka Enberg , David Rientjes , Jesper Dangaard Brouer , Vlastimil Babka , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim Subject: [PATCH v2 14/17] mm/slab: factor out slab list fixup code Date: Fri, 26 Feb 2016 15:01:21 +0900 Message-Id: <1456466484-3442-15-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1456466484-3442-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1456466484-3442-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joonsoo Kim Slab list should be fixed up after object is detached from the slab and this happens at two places. They do exactly same thing. They will be changed in the following patch, so, to reduce code duplication, this patch factor out them and make it common function. Signed-off-by: Joonsoo Kim Cc: Christoph Lameter Cc: Pekka Enberg Cc: David Rientjes Cc: Joonsoo Kim Cc: Jesper Dangaard Brouer Signed-off-by: Andrew Morton --- mm/slab.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/mm/slab.c b/mm/slab.c index ab43d9f..95e5d63 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2723,6 +2723,17 @@ static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp, #define cache_free_debugcheck(x,objp,z) (objp) #endif +static inline void fixup_slab_list(struct kmem_cache *cachep, + struct kmem_cache_node *n, struct page *page) +{ + /* move slabp to correct slabp list: */ + list_del(&page->lru); + if (page->active == cachep->num) + list_add(&page->lru, &n->slabs_full); + else + list_add(&page->lru, &n->slabs_partial); +} + static struct page *get_first_slab(struct kmem_cache_node *n) { struct page *page; @@ -2796,12 +2807,7 @@ retry: ac_put_obj(cachep, ac, slab_get_obj(cachep, page)); } - /* move slabp to correct slabp list: */ - list_del(&page->lru); - if (page->active == cachep->num) - list_add(&page->lru, &n->slabs_full); - else - list_add(&page->lru, &n->slabs_partial); + fixup_slab_list(cachep, n, page); } must_grow: @@ -3067,13 +3073,8 @@ retry: obj = slab_get_obj(cachep, page); n->free_objects--; - /* move slabp to correct slabp list: */ - list_del(&page->lru); - if (page->active == cachep->num) - list_add(&page->lru, &n->slabs_full); - else - list_add(&page->lru, &n->slabs_partial); + fixup_slab_list(cachep, n, page); spin_unlock(&n->list_lock); goto done; -- 1.9.1