From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id C73836B0082 for ; Fri, 12 Jun 2009 04:43:46 -0400 (EDT) Subject: Re: slab: setup allocators earlier in the boot sequence From: Benjamin Herrenschmidt 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 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Pekka Enberg Cc: Nick Piggin , Linus Torvalds , Linux Kernel list , linux-mm , mingo@elte.hu, cl@linux-foundation.org, akpm@linux-foundation.org List-ID: 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, 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