Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752659Ab1BWWqB (ORCPT ); Wed, 23 Feb 2011 17:46:01 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:37210 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751674Ab1BWWqA (ORCPT ); Wed, 23 Feb 2011 17:46:00 -0500 Date: Wed, 23 Feb 2011 14:44:45 -0800 From: Andrew Morton To: Minchan Kim Cc: linux-mm , LKML , Miklos Szeredi , Rik van Riel , KAMEZAWA Hiroyuki , Mel Gorman Subject: Re: [PATCH] mm: optimize replace_page_cache_page Message-Id: <20110223144445.86d0ca2b.akpm@linux-foundation.org> In-Reply-To: <20110219234121.GA2546@barrios-desktop> References: <1297355626-5152-1-git-send-email-minchan.kim@gmail.com> <20110219234121.GA2546@barrios-desktop> X-Mailer: Sylpheed 3.0.2 (GTK+ 2.20.1; x86_64-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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1254 Lines: 38 On Sun, 20 Feb 2011 08:41:21 +0900 Minchan Kim wrote: > Resend. Reignore. > he patch is based on mmotm-2011-02-04 + > mm-add-replace_page_cache_page-function-add-freepage-hook.patch. > > On Fri, Feb 11, 2011 at 01:33:46AM +0900, Minchan Kim wrote: > > This patch optmizes replace_page_cache_page. > > > > 1) remove radix_tree_preload > > 2) single radix_tree_lookup_slot and replace radix tree slot > > 3) page accounting optimization if both pages are in same zone. > > > > Cc: Miklos Szeredi > > Cc: Rik van Riel > > Cc: KAMEZAWA Hiroyuki > > Cc: Mel Gorman > > Signed-off-by: Minchan Kim > > --- > > mm/filemap.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++--------- > > 1 files changed, 51 insertions(+), 10 deletions(-) > > > > Hi Miklos, > > This patch is totally not tested. > > Could you test this patch? ^^^ Because of this. Is it tested yet? -- 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/