Re: [PATCH v4 6/7] mm/khugepaged: unmap pte before releasing vma write lock
From: Pedro Falcato
Date: Wed Aug 12 2026 - 07:14:59 EST
On Tue, Aug 11, 2026 at 06:48:38AM -0600, Nico Pache (Red Hat) wrote:
> We are currently dropping the anon_vma write lock before unmapping the
> PTE. Although this is safe, due to us still holding the mmap_write_lock,
> its safer and less confusing to switch the order of these two operations.
>
> Suggested-by: David Hildenbrand <david@xxxxxxxxxx>
> Acked-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>
> Signed-off-by: Nico Pache (Red Hat) <nico.pache@xxxxxxxxx>
Acked-by: Pedro Falcato <pfalcato@xxxxxxx>
--
Pedro