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Date: Tue, 25 Aug 2009 20:46:07 +0900
Message-ID: <28c262360908250446g5ab88437oab0eec4b1fb7df53@mail.gmail.com>
Subject: Re: [PATCH] mm: make munlock fast when mlock is canceled by sigkill
From: Minchan Kim <minchan.kim@gmail.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>,
       Hiroaki Wakabayashi <primulaelatior@gmail.com>,
       KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       LKML <linux-kernel@vger.kernel.org>, linux-mm@kvack.org,
       Paul Menage <menage@google.com>, Ying Han <yinghan@google.com>,
       Pekka Enberg <penberg@cs.helsinki.fi>,
       Lee Schermerhorn <lee.schermerhorn@hp.com>
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On Tue, Aug 25, 2009 at 6:37 PM, KAMEZAWA
Hiroyuki<kamezawa.hiroyu@jp.fujitsu.com> wrote:
> On Tue, 25 Aug 2009 10:03:30 +0100 (BST)
> Hugh Dickins <hugh.dickins@tiscali.co.uk> wrote:
>> My advice (but I sure hate giving advice before I've tried it myself)
>> is to put __mlock_vma_pages_range() back to handling just the mlock
>> case, and do your own follow_page() loop in munlock_vma_pages_range().
>>
>
> I have no objections to make use of follow_page().

Me, too.
We don't need to add new flag although there is simple method like this.

> Thanks,
> -Kame
>
>



-- 
Kind regards,
Minchan Kim