Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751745Ab1BWXh3 (ORCPT ); Wed, 23 Feb 2011 18:37:29 -0500 Received: from mail-iw0-f174.google.com ([209.85.214.174]:57548 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751370Ab1BWXh1 convert rfc822-to-8bit (ORCPT ); Wed, 23 Feb 2011 18:37:27 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=dB5eW7gPFAniVZdU28479DudL4BHSK4LERyjgrkuleEjJUB8BN9y7ffMAsQh1IYqVK 9AP0gTZqRU4fBvDVQnFpZIjBRZsiFuOmCNNwhhfAknm2MwJjZaU/nniYnibm+zHogWbe mbXaaZE+rFJHO5Z+sQc9GpUX8S7RKEth1G0mE= MIME-Version: 1.0 In-Reply-To: <20110223144445.86d0ca2b.akpm@linux-foundation.org> References: <1297355626-5152-1-git-send-email-minchan.kim@gmail.com> <20110219234121.GA2546@barrios-desktop> <20110223144445.86d0ca2b.akpm@linux-foundation.org> Date: Thu, 24 Feb 2011 08:37:27 +0900 Message-ID: Subject: Re: [PATCH] mm: optimize replace_page_cache_page From: Minchan Kim To: Andrew Morton , Miklos Szeredi Cc: linux-mm , LKML , Rik van Riel , KAMEZAWA Hiroyuki , Mel Gorman Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1497 Lines: 50 On Thu, Feb 24, 2011 at 7:44 AM, Andrew Morton wrote: > 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? > Miklos. Could you test this? If you are busy, let me know how to test it. I will. Thanks. -- Kind regards, Minchan Kim -- 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/