Re: [PATCH] mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte

[Mike Kravetz]

On 07/15/22 13:07, Peter Xu wrote:
> On Fri, Jul 15, 2022 at 09:45:37AM -0700, Axel Rasmussen wrote:
> > I don't really have a strong preference between the two. The second option
> > is what I originally proposed in the first version of the minor fault
> > series, so going back to that isn't a problem at least from my perspective.
> > If in the future we find a real use case for this, we could always easily
> > re-enable it and add selftests for it at that point.
> 
> I'd go for fixing the test case if possible.  Mike, would it be fine if we
> go back to /dev/hugepages path based approach in the test case?
> 

No problem going back to using a file for private mapping testing.  Removing
that was more of a simplification, because of new MADV_DONTNEED support.
Just want to make sure we also keep remap and remove event testing.
-- 
Mike Kravetz