From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx128.postini.com [74.125.245.128]) by kanga.kvack.org (Postfix) with SMTP id BFDA06B0071 for ; Tue, 30 Oct 2012 16:27:52 -0400 (EDT) Date: Tue, 30 Oct 2012 21:27:50 +0100 From: Andi Kleen Subject: Re: [PATCH v2 1/2] kmem_cache: include allocators code directly into slab_common Message-ID: <20121030202750.GW16230@one.firstfloor.org> References: <1351087158-8524-1-git-send-email-glommer@parallels.com> <1351087158-8524-2-git-send-email-glommer@parallels.com> <0000013a9444c6ba-d26e7627-1890-40da-ae91-91e7c4a3d7e9-000000@email.amazonses.com> <0000013ab24cd7ac-1c5345d6-5fea-4459-942e-b6deccd1a6f1-000000@email.amazonses.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0000013ab24cd7ac-1c5345d6-5fea-4459-942e-b6deccd1a6f1-000000@email.amazonses.com> Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: andi@firstfloor.org, Pekka Enberg , Glauber Costa , linux-mm@kvack.org, JoonSoo Kim , linux-kernel@vger.kernel.org, David Rientjes On Tue, Oct 30, 2012 at 03:31:51PM +0000, Christoph Lameter wrote: > On Fri, 26 Oct 2012, JoonSoo Kim wrote: > > > 2012/10/25 Christoph Lameter : > > > On Wed, 24 Oct 2012, Pekka Enberg wrote: > > > > > >> So I hate this patch with a passion. We don't have any fastpaths in > > >> mm/slab_common.c nor should we. Those should be allocator specific. > > > > > > I have similar thoughts on the issue. Lets keep the fast paths allocator > > > specific until we find a better way to handle this issue. > > > > Okay. I see. > > How about applying LTO not to the whole kernel code, but just to > > slab_common.o + sl[aou]b.o? > > I think that it may be possible, isn't it? > > Well.... Andi: Is that possible? In principle yes, but would still need a toolchain with LTO support and a few changes. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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