From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id 23A3E8D0039 for ; Wed, 23 Feb 2011 17:45:47 -0500 (EST) Date: Wed, 23 Feb 2011 14:44:45 -0800 From: Andrew Morton 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> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: linux-mm , LKML , Miklos Szeredi , Rik van Riel , KAMEZAWA Hiroyuki , Mel Gorman 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, 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org