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Date:	Fri, 09 Apr 2010 16:57:38 -0400
From:	Rik van Riel <>
To:	Johannes Weiner <>
CC:	Linus Torvalds <>,
	Borislav Petkov <>,
	KOSAKI Motohiro <>,
	Andrew Morton <>,
	Minchan Kim <>,
	Linux Kernel Mailing List <>,
	Lee Schermerhorn <>,
	Nick Piggin <>,
	Andrea Arcangeli <>,
	Hugh Dickins <>,
Subject: Re: [PATCH -v2] rmap: make anon_vma_prepare link in all the anon_vmas
 of a mergeable VMA

On 04/09/2010 04:43 PM, Johannes Weiner wrote:

> Okay, I think I got it working.  I first thought we would need an
> m^n loop to properly merge the anon_vma_chains, but we can actually
> be cleverer than that:

I've looked it over 5 times, can't find anything wrong
with it.  Your approach looks like it should work just

Certainly easier than the things Linus and I tried :)

> Signed-off-by: Johannes Weiner<>

Reviewed-by: Rik van Riel <>
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