Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933159AbZFLIp1 (ORCPT ); Fri, 12 Jun 2009 04:45:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753561AbZFLIpQ (ORCPT ); Fri, 12 Jun 2009 04:45:16 -0400 Received: from gate.crashing.org ([63.228.1.57]:42662 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755581AbZFLIpO (ORCPT ); Fri, 12 Jun 2009 04:45:14 -0400 Subject: Re: slab: setup allocators earlier in the boot sequence From: Benjamin Herrenschmidt To: Pekka Enberg Cc: Nick Piggin , Linus Torvalds , Linux Kernel list , linux-mm , mingo@elte.hu, cl@linux-foundation.org, akpm@linux-foundation.org In-Reply-To: <1244793879.30512.19.camel@penberg-laptop> References: <200906111959.n5BJxFj9021205@hera.kernel.org> <1244770230.7172.4.camel@pasglop> <1244779009.7172.52.camel@pasglop> <1244780756.7172.58.camel@pasglop> <1244783235.7172.61.camel@pasglop> <1244792079.7172.74.camel@pasglop> <1244792745.30512.13.camel@penberg-laptop> <20090612075427.GA24044@wotan.suse.de> <1244793592.30512.17.camel@penberg-laptop> <20090612080236.GB24044@wotan.suse.de> <1244793879.30512.19.camel@penberg-laptop> Content-Type: text/plain Date: Fri, 12 Jun 2009 18:44:51 +1000 Message-Id: <1244796291.7172.87.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 883 Lines: 24 On Fri, 2009-06-12 at 11:04 +0300, Pekka Enberg wrote: > Hi Nick, > > On Fri, 2009-06-12 at 10:02 +0200, Nick Piggin wrote: > > Fair enough, but this can be done right down in the synchronous > > reclaim path in the page allocator. This will catch more cases > > of code using the page allocator directly, and should be not > > as hot as the slab allocator. > > So you want to push the local_irq_enable() to the page allocator too? We > can certainly do that but I think we ought to wait for Andrew to merge > Mel's patches to mainline first, OK? Doesn't my patch take care of all the cases in a much more simple way ? Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/