Re: [PATCH] rmap: Fix Bugzilla Bug #5493
From: Christian Ehrhardt
Date: Sat Mar 06 2010 - 09:44:30 EST
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.
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