Re: [PATCH RESEND v3 4/4] mm/hugetlb: fix excessive IPI broadcasts when unsharing PMD tables using mmu_gather

[David Hildenbrand (Red Hat)]

> > Fixes: 1013af4f585f ("mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race")
> > Reported-by: Uschakow, Stanislav" <suschako@xxxxxxxxx>
> > Closes: https://lore.kernel.org/all/4d3878531c76479d9f8ca9789dc6485d@xxxxxxxxx/
> > Tested-by: Laurence Oberman <loberman@xxxxxxxxxx>
> > Cc: <stable@xxxxxxxxxxxxxxx>
> > Signed-off-by: David Hildenbrand (Red Hat) <david@xxxxxxxxxx>
> > ---
>
> Looks correct and nothing jumped out at me during review, so:
> Acked-by: Harry Yoo <harry.yoo@xxxxxxxxxx>

Thanks Harry! And thanks again for making me look again at the hugetlb 
mmu_gather horrors :)

--
Cheers

David