linux-kernel - Re: [PATCH] mm: make munlock fast when mlock is canceled by sigkill

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <28c262360908250446g5ab88437oab0eec4b1fb7df53@mail.gmail.com>
Date:	Tue, 25 Aug 2009 20:46:07 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Hiroaki Wakabayashi <primulaelatior@...il.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org,
	Paul Menage <menage@...gle.com>, Ying Han <yinghan@...gle.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Lee Schermerhorn <lee.schermerhorn@...com>
Subject: Re: [PATCH] mm: make munlock fast when mlock is canceled by sigkill

On Tue, Aug 25, 2009 at 6:37 PM, KAMEZAWA
Hiroyuki<kamezawa.hiroyu@...fujitsu.com> wrote:
> On Tue, 25 Aug 2009 10:03:30 +0100 (BST)
> Hugh Dickins <hugh.dickins@...cali.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/