Re: mm: BUG in unmap_page_range

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Thanks Hugh, Mel. I've added both patches to my local tree and will update tomorrow
with the weather.

Also:

On 08/05/2014 08:42 PM, Hugh Dickins wrote:
> One thing I did wonder, though: at first I was reassured by the
> VM_BUG_ON(!pte_present(pte)) you add to pte_mknuma(); but then thought
> it would be better as VM_BUG_ON(!(val & _PAGE_PRESENT)), being stronger
> - asserting that indeed we do not put NUMA hints on PROT_NONE areas.
> (But I have not tested, perhaps such a VM_BUG_ON would actually fire.)

I've added VM_BUG_ON(!(val & _PAGE_PRESENT)) in just as a curiosity, I'll
update how that one looks as well.


Thanks,
Sasha

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