From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756745Ab1EFSJi (ORCPT ); Fri, 6 May 2011 14:09:38 -0400 Received: from smtp110.prem.mail.ac4.yahoo.com ([76.13.13.93]:23061 "HELO smtp110.prem.mail.ac4.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755910Ab1EFSHA (ORCPT ); Fri, 6 May 2011 14:07:00 -0400 X-Yahoo-SMTP: _Dag8S.swBC1p4FJKLCXbs8NQzyse1SYSgnAbY0- X-YMail-OSG: nrhmIV8VM1k.H2BaeHAhhdZoU.GrVpJ2TieMXICahwyPakc 0XCiQESCmJAtYDaUDjZIEA_u8P426jfBccuDSnnyrR8VciW.CwhIwsFwU6TV CrIJ93WNsufkrpnYx2k6haqpTh97qic.FVqTgu0P1G61fqgk4R3OSyE3THeL VKd6waOXU21mB6JpVSOFYj1iIV_izxNJGh1N4PqdFQlMFyJJqAoD6njkTEZi SJeE7zY6FYCje9vSyFwOdgKhuAaBs0ruOhJ.pN2rAfIbJ.XlPs_9A7hCg7Tw vFC1jDW.VuXGemRfXC435dLjaMKwoJiHNZpcZ6j_oml3XJSb4uhkZNFzUhZA fVX8g93Bf6vJr_axmejT2dU6N X-Yahoo-Newman-Property: ymail-3 Message-Id: <20110506180658.788426827@linux.com> User-Agent: quilt/0.48-1 Date: Fri, 06 May 2011 13:05:49 -0500 From: Christoph Lameter To: Pekka Enberg Cc: David Rientjes Cc: Hugh Dickins Cc: Eric Dumazet Cc: "H. Peter Anvin" Cc: Mathieu Desnoyers Cc: linux-kernel@vger.kernel.org Cc: Thomas Gleixner Subject: [slubllv4 08/16] slub: Pass kmem_cache struct to lock and freeze slab References: <20110506180541.990069206@linux.com> Content-Disposition: inline; filename=pass_kmem_cache_to_lock_and_freeze Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We need more information about the slab for the cmpxchg implementation. Signed-off-by: Christoph Lameter --- mm/slub.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) Index: linux-2.6/mm/slub.c =================================================================== --- linux-2.6.orig/mm/slub.c 2011-04-28 15:53:45.000000000 -0500 +++ linux-2.6/mm/slub.c 2011-04-28 15:53:50.000000000 -0500 @@ -1424,8 +1424,8 @@ static inline void remove_partial(struct * * Must hold list_lock. */ -static inline int lock_and_freeze_slab(struct kmem_cache_node *n, - struct page *page) +static inline int lock_and_freeze_slab(struct kmem_cache *s, + struct kmem_cache_node *n, struct page *page) { if (slab_trylock(page)) { remove_partial(n, page); @@ -1437,7 +1437,8 @@ static inline int lock_and_freeze_slab(s /* * Try to allocate a partial slab from a specific node. */ -static struct page *get_partial_node(struct kmem_cache_node *n) +static struct page *get_partial_node(struct kmem_cache *s, + struct kmem_cache_node *n) { struct page *page; @@ -1452,7 +1453,7 @@ static struct page *get_partial_node(str spin_lock(&n->list_lock); list_for_each_entry(page, &n->partial, lru) - if (lock_and_freeze_slab(n, page)) + if (lock_and_freeze_slab(s, n, page)) goto out; page = NULL; out: @@ -1503,7 +1504,7 @@ static struct page *get_any_partial(stru if (n && cpuset_zone_allowed_hardwall(zone, flags) && n->nr_partial > s->min_partial) { - page = get_partial_node(n); + page = get_partial_node(s, n); if (page) { put_mems_allowed(); return page; @@ -1523,7 +1524,7 @@ static struct page *get_partial(struct k struct page *page; int searchnode = (node == NUMA_NO_NODE) ? numa_node_id() : node; - page = get_partial_node(get_node(s, searchnode)); + page = get_partial_node(s, get_node(s, searchnode)); if (page || node != NUMA_NO_NODE) return page;