Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1767472AbXECQPM (ORCPT ); Thu, 3 May 2007 12:15:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1767474AbXECQPM (ORCPT ); Thu, 3 May 2007 12:15:12 -0400 Received: from wr-out-0506.google.com ([64.233.184.238]:4072 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1767472AbXECQPK (ORCPT ); Thu, 3 May 2007 12:15:10 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=ZGXI3wv7IJi/hEQEYWVtGslNBSPzUMM4CfdgTxAU3G2JX6YYvvHTy2UnTOq1baerhJ3JoAACdtESl7XOl3LCIsJJdV+js6HfJkVFSCLE8+Q2sn+08ZzKb8v2UGOE3BtwuoBgm6AyCgbfOTlM+fR9W06AHbXPAjDWBJLCUQsykgs= Message-ID: <6bffcb0e0705030915r7c169f1cnd3b21413255a5c1f@mail.gmail.com> Date: Thu, 3 May 2007 18:15:06 +0200 From: "Michal Piotrowski" To: "Ingo Molnar" Subject: Re: swap-prefetch: 2.6.22 -mm merge plans Cc: "Andrew Morton" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, "Con Kolivas" In-Reply-To: <20070503155407.GA7536@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070430162007.ad46e153.akpm@linux-foundation.org> <20070503155407.GA7536@elte.hu> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1762 Lines: 54 Hi, On 03/05/07, Ingo Molnar wrote: > > * Andrew Morton wrote: > > > - If replying, please be sure to cc the appropriate individuals. > > Please also consider rewriting the Subject: to something > > appropriate. > > i'm wondering about swap-prefetch: > > mm-implement-swap-prefetching.patch > swap-prefetch-avoid-repeating-entry.patch > add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated-swap-prefetch.patch > > The swap-prefetch feature is relatively compact: > > 10 files changed, 745 insertions(+), 1 deletion(-) > > it is contained mostly to itself: > > mm/swap_prefetch.c | 581 ++++++++++++++++++++++++++++++++ > > i've reviewed it once again and in the !CONFIG_SWAP_PREFETCH case it's a > clear NOP, while in the CONFIG_SWAP_PREFETCH=y case all the feedback > i've seen so far was positive. Time to have this upstream and time for a > desktop-oriented distro to pick it up. > > I think this has been held back way too long. It's .config selectable > and it is as ready for integration as it ever is going to be. So it's a > win/win scenario. I'm using SWAP_PREFETCH since 2.6.17-mm1 (I don't have earlier configs) http://www.stardust.webpages.pl/files/tbf/euridica/2.6.17-mm1/mm-config and I don't recall _any_ problems. It's very stable for me. > > Acked-by: Ingo Molnar > > Ingo Regards, Michal -- Michal K. K. Piotrowski Kernel Monkeys (http://kernel.wikidot.com/start) - 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/