From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: MinChan Kim <minchan.kim@gmail.com>
Cc: kosaki.motohiro@jp.fujitsu.com,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
riel@redhat.com
Subject: Re: Question: Is zone->prev_prirotiy used ?
Date: Thu, 22 Jan 2009 08:54:07 +0900 (JST) [thread overview]
Message-ID: <20090123084500.421C.KOSAKI.MOTOHIRO@jp.fujitsu.com> (raw)
In-Reply-To: <20090121071718.GA17969@barrios-desktop>
> 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.
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next prev parent reply other threads:[~2009-01-21 23:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-21 6:52 KAMEZAWA Hiroyuki
2009-01-21 7:17 ` MinChan Kim
2009-01-21 23:54 ` KOSAKI Motohiro [this message]
2009-01-22 0:06 ` KAMEZAWA Hiroyuki
2009-01-22 0:15 ` MinChan Kim
2009-01-23 3:22 ` KOSAKI Motohiro
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