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SubjectRe: [patch] x86, pat: freeing invalid memtype messages
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On Mon, 2010-06-21 at 17:33 +0200, Marcin Slusarz wrote:
> On Mon, Jun 21, 2010 at 07:07:27PM +0800, Xiaotian Feng wrote:
> > On 06/21/2010 07:02 PM, Peter Zijlstra wrote:
> > > On Mon, 2010-06-21 at 18:56 +0800, Xiaotian Feng wrote:
> > >
> > >> I guess there might be something wrong between the augmented rbtree insert/remove ..
> > >
> > > The easiest thing is to revert that change and try again, the next step
> > > would be to print the full RB tree on each modification and look where
> > > it goes wrong.
> > >
> > > That said, I did print my fair share of (augmented) RB trees while
> > > playing with scheduler patches and I can't remember it ever having
> > > messed up like that.
> > He's using 2.6.35-rc2+, without your "rbtree: Undo augmented trees
> > performance damage" patch ;-)
>
> I applied it manually (commit 2463eb8b3093995e09a0d41b3d78ee0cf5fb4249 from -tip)
> to 2.6.35-rc3 and it fixed both acpi's and nouveau's "invalid memtype" messages.
> Thanks.

Oh neat, so it actually fixes a bug in the previous augmented rb-tree
implementation?


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