Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S969436AbXEHXGU (ORCPT ); Tue, 8 May 2007 19:06:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S968588AbXEHXGH (ORCPT ); Tue, 8 May 2007 19:06:07 -0400 Received: from smtp1.linux-foundation.org ([65.172.181.25]:55640 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S968763AbXEHXGD (ORCPT ); Tue, 8 May 2007 19:06:03 -0400 Date: Tue, 8 May 2007 16:05:47 -0700 From: Andrew Morton To: Rik van Riel Cc: Nick Piggin , Ulrich Drepper , Linus Torvalds , linux-kernel , linux-mm , Jakub Jelinek , Dave Jones Subject: Re: [PATCH] stub MADV_FREE implementation Message-Id: <20070508160547.e1576146.akpm@linux-foundation.org> In-Reply-To: <463FF3D3.9060007@redhat.com> References: <4632D0EF.9050701@redhat.com> <463B108C.10602@yahoo.com.au> <463B598B.80200@redhat.com> <463BC62C.3060605@yahoo.com.au> <463FF3D3.9060007@redhat.com> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.6; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 776 Lines: 22 On Mon, 07 May 2007 23:51:47 -0400 Rik van Riel wrote: > Until we have better performance numbers on the lazy reclaim path, > we can just alias MADV_FREE to MADV_DONTNEED with this trivial > patch. > > This way glibc can go ahead with the optimization on their side > and we can figure out the kernel side later. > > Signed-off-by: Rik van Riel Could someone please explain what is going on here? And has Ulrich indicated that glibc would indeed go out ahead of the kernel in this fashion? - 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/