From: Christian Ehrhardt <uni@c--e.de>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@redhat.com>, Christian Ehrhardt <lk@c--e.de>,
linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
linux-mm@kvack.org
Subject: Re: [PATCH] rmap: Fix Bugzilla Bug #5493
Date: Sat, 6 Mar 2010 15:44:22 +0100 [thread overview]
Message-ID: <20100306144422.GI17078@lisa.in-ulm.de> (raw)
In-Reply-To: <20100306020048.GA16967@cmpxchg.org>
Hi,
On Sat, Mar 06, 2010 at 03:00:48AM +0100, Johannes Weiner wrote:
> What's with expand_stack()? This changes the radix index or the heap
> index, depending on the direction in which the stack grows, but it
> does not adjust the tree and so its order is violated. Did you make
> sure that this is fine?
Ooops! Thanks for the hint. Not only expand stack but also vma_adjust
(aka vma_merge) need to update the tree, I guess.
However, it is somewhat odd that this did not trigger anything in
my tests. I guess I have to come up with a testcase that properly
checks this case.
regards Christian
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next prev parent reply other threads:[~2010-03-06 14:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-05 9:38 [PATCH] rmap: Fix Bugzilla Bug #5493 Christian Ehrhardt
2010-03-05 14:10 ` Rik van Riel
2010-03-06 1:02 ` Christian Ehrhardt
2010-03-06 2:00 ` Johannes Weiner
2010-03-06 14:44 ` Christian Ehrhardt [this message]
2010-03-06 1:35 ` Kyle McMartin
2010-03-06 9:24 ` Mikael Pettersson
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