From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932189AbcANF0K (ORCPT ); Thu, 14 Jan 2016 00:26:10 -0500 Received: from mail-pf0-f196.google.com ([209.85.192.196]:34309 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755552AbcANFZM (ORCPT ); Thu, 14 Jan 2016 00:25:12 -0500 From: Joonsoo Kim X-Google-Original-From: Joonsoo Kim To: Andrew Morton Cc: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Jesper Dangaard Brouer , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 14/16] mm/slab: factor out slab list fixup code Date: Thu, 14 Jan 2016 14:24:27 +0900 Message-Id: <1452749069-15334-15-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1452749069-15334-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1452749069-15334-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- mm/slab.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/mm/slab.c b/mm/slab.c index e86977e..dbf18ed 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2724,6 +2724,17 @@ 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; @@ -2797,12 +2808,7 @@ 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: @@ -3076,13 +3082,8 @@ 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