Re: mm: delay rmap removal until after TLB flush

Peter Zijlstra
2022-11-07T09:13:23Z

Hi Hugh!

On Sun, Nov 06, 2022 at 01:06:19PM -0800, Hugh Dickins wrote:
> See folio_lock_anon_vma_read(): folio_mapped() plays a key role in
> establishing the continued validity of an anon_vma. See comments
> above folio_get_anon_vma(), some by me but most by PeterZ IIRC.

Ohhh, you're quite right. Unfortunately I seem to have completely
forgotten about that :-(