From: Rik van Riel <riel@redhat.com>
To: Minchan Kim <minchan.kim@gmail.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
lwoodman@redhat.com, akpm@linux-foundation.org,
Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
aarcange@redhat.com
Subject: Re: [PATCH -mm] change anon_vma linking to fix multi-process server scalability issue
Date: Thu, 28 Jan 2010 20:18:15 -0500 [thread overview]
Message-ID: <4B623757.7090001@redhat.com> (raw)
In-Reply-To: <28c262361001281655x70e5f77awf4d890d20f57ca83@mail.gmail.com>
On 01/28/2010 07:55 PM, Minchan Kim wrote:
> On Fri, Jan 29, 2010 at 2:24 AM, Rik van Riel<riel@redhat.com> wrote:
>> What am I overlooking?
>
> I also look at the code more detail and found me wrong.
> In mprotect case 6, the importer is fixed as head of vmas while next
> is marched
> on forward. So anon_vma_clone is just called once at first time.
> So as what you said, It's no problem.
> Totally, my mistake. Sorry for that, Rik.
No problem. I spent about a day and a half with a few pieces
of paper going over all this code, before deciding how to code
this :)
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next prev parent reply other threads:[~2010-01-29 1:19 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-28 5:20 [PATCH -mm] change anon_vma linking to fix multi-process server scalability issue Rik van Riel
2010-01-28 6:43 ` [PATCH -mm] rmap: remove obsolete check from __page_check_anon_rmap Rik van Riel
2010-02-01 15:26 ` Minchan Kim
2010-01-28 6:43 ` [PATCH -mm] rmap: move exclusively owned pages to own anon_vma in do_wp_page Rik van Riel
2010-02-01 15:25 ` Minchan Kim
2010-02-01 16:33 ` Rik van Riel
2010-01-28 16:37 ` [PATCH -mm] change anon_vma linking to fix multi-process server scalability issue Minchan Kim
2010-01-28 17:24 ` Rik van Riel
2010-01-29 0:55 ` Minchan Kim
2010-01-29 1:18 ` Rik van Riel [this message]
2010-01-29 23:14 ` Andrew Morton
2010-01-29 23:57 ` Rik van Riel
2010-01-30 0:22 ` [PATCH -mm] further cleanups to " Rik van Riel
2010-01-30 0:34 ` [PATCH -mm] remove VM_LOCK_RMAP code Rik van Riel
2010-02-01 6:15 ` Nick Piggin
2010-02-01 15:55 ` Rik van Riel
2010-02-02 6:44 ` Nick Piggin
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