Re: [PATCH] mm: Actually clear pmd_numa before invalidating

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On Wed, Aug 13, 2014 at 01:23:33PM -0700, Andrew Morton wrote:
> On Wed, 13 Aug 2014 20:16:31 +0000 "Wilcox, Matthew R" <matthew.r.wilcox@xxxxxxxxx> wrote:
> 
> > I am quite shockingly ignorant of the MM code.  While looking at this
> > function to figure out how/whether to use it, I noticed the bug, and
> > sent a patch.  I assumed the gibberish in the changelog meant something
> > important to people who actually understand this part of the kernel :-)
> 
> Fair enough ;)  Mel?

The issue was theoritical in nature. The patch was meant to guarantee
the PTE was in a known state. As I cannot think of a way it could
trigger a bug I wouldn't consider it -stable material but Matthew's
patch is still doing the expected thing.

-- 
Mel Gorman
SUSE Labs

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