linux-kernel - Re: [PATCH -v2] rmap: make anon_vma_prepare link in all the anon

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Message-ID: <4BC0E079.80800@redhat.com>
Date:	Sat, 10 Apr 2010 16:32:57 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Borislav Petkov <bp@...en8.de>,
	Johannes Weiner <hannes@...xchg.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Nick Piggin <npiggin@...e.de>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	sgunderson@...foot.com
Subject: Re: [PATCH -v2] rmap: make anon_vma_prepare link in all the anon_vmas
 of a mergeable VMA

On 04/10/2010 04:05 PM, Linus Torvalds wrote:

> This patch is scary and untested, but the more I look at that code, the
> more convinced I am that vma_adjust was _really_ badly screwed up. The
> patch below may make things worse. I'll test it myself too, but I'm
> sending it out first, since I was writing the email as I was looking at
> the piece of cr*p.

Your patch looks correct.  Gotta love how before,
"vma" could be either exporter or importer!

I'm guessing that it did not break before my
changes, because of plain old luck...

Acked-by: Rik van Riel <riel@...hat.com>
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