Re: Slow vmalloc in 2.6.35-rc3

From: Nick Piggin
Date: Sun Jun 27 2010 - 23:31:27 EST

On Sun, Jun 27, 2010 at 12:17:42PM +0300, Avi Kivity wrote:
> On 06/24/2010 06:14 PM, Nick Piggin wrote:
> >On Thu, Jun 24, 2010 at 12:19:32PM +0300, Avi Kivity wrote:
> >>I see really slow vmalloc performance on 2.6.35-rc3:
> >Can you try this patch?
> >
> The patch completely eliminates the problem.

Thanks for testing. Andrew the patch changelog can be updated. Avi and
Steven didn't give me numbers but it solves both their performance
regressions, so I would say it is ready for merging.


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