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 SMTP id 0888B6B0044 for ; Wed, 21 Jan 2009 18:54:16 -0500 (EST) Date: Thu, 22 Jan 2009 08:54:07 +0900 (JST) From: KOSAKI Motohiro Subject: Re: Question: Is zone->prev_prirotiy used ? In-Reply-To: <20090121071718.GA17969@barrios-desktop> References: <20090121155219.8b870167.kamezawa.hiroyu@jp.fujitsu.com> <20090121071718.GA17969@barrios-desktop> Message-Id: <20090123084500.421C.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: MinChan Kim Cc: kosaki.motohiro@jp.fujitsu.com, KAMEZAWA Hiroyuki , "linux-mm@kvack.org" , riel@redhat.com List-ID: > On Wed, Jan 21, 2009 at 03:52:19PM +0900, KAMEZAWA Hiroyuki wrote: > > Just a question. > > > > In vmscan.c, zone->prev_priority doesn't seem to be used. > > > > Is it for what, now ? > > It's the purpose of reclaiming mapped pages before split-lru. > Now, get_scan_ratio can do it. > I think it is a meaningless variable. > How about Kosaki and Rik ? Right. I thought this variable can use for future enhancement. then I didn't removed. Kamezawa-san, does its variable prevent your development? if so, I don't oppose removing. -- 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/ . Don't email: email@kvack.org