From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id ED7996B02A5 for ; Mon, 12 Jul 2010 11:15:29 -0400 (EDT) Date: Mon, 12 Jul 2010 10:11:50 -0500 (CDT) From: Christoph Lameter Subject: Re: [S+Q2 00/19] SLUB with queueing (V2) beats SLAB netperf TCP_RR In-Reply-To: <20100710195621.GA13720@fancy-poultry.org> Message-ID: References: <20100709190706.938177313@quilx.com> <20100710195621.GA13720@fancy-poultry.org> MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="-1463811839-1120396131-1278947511=:14328" Sender: owner-linux-mm@kvack.org To: Heinz Diehl Cc: linux-kernel@vger.kernel.org, Pekka Enberg , linux-mm@kvack.org, Nick Piggin , David Rientjes , Tejun Heo List-ID: This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. ---1463811839-1120396131-1278947511=:14328 Content-Type: TEXT/PLAIN; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE On Sat, 10 Jul 2010, Heinz Diehl wrote: > On 10.07.2010, Christoph Lameter wrote: > > > The following patchset cleans some pieces up and then equips SLUB with > > per cpu queues that work similar to SLABs queues. With that approach > > SLUB wins significantly in hackbench and improves also on tcp_rr. > > The patchset applies cleanly, however compilation fails with > > [....] > mm/slub.c: In function =E2=80=98alloc_kmem_cache_cpus=E2=80=99: > mm/slub.c:2093: error: negative width in bit-field =E2=80=98= =E2=80=99 > make[1]: *** [mm/slub.o] Error 1 > make: *** [mm] Error 2 > make: *** Waiting for unfinished jobs.... > [....] You need a sufficient PERCPU_DYNAMIC_EARLY_SIZE to be configured. What platform is this? Tejon: You suggested the BUILD_BUG_ON(). How can he increase the early size? ---1463811839-1120396131-1278947511=:14328-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org