Re: [BUG] mm, thp: khugepaged can't allocate on requested node when confined to a cpuset

[Peter Zijlstra]

On Fri, Oct 10, 2014 at 11:57:09PM +0200, Vlastimil Babka wrote:
> Hm I haven't seen the code yet, but is perhaps the NUMA scanning working
> similarly enough that a single scanner could handle both the NUMA and THP
> bits to save time?

IIRC the THP thing doesn't need the fault thing, which makes it an
entirely different beast. Then again, we do walk the actual page-tables
through change_protection, but changing that means we have to duplicate
all that code, then again, maybe the current THP stuff already carries
something like that.


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