Re: [DISCUSSION] Unconditionally lock folios when calling rmap_walk()

[Matthew Wilcox]

On Fri, Aug 22, 2025 at 10:29:52AM -0700, Lokesh Gidra wrote:
> Currently, some callers of rmap_walk() conditionally avoid try-locking
> non-ksm anon folios. This necessitates serialization through anon_vma

... this seems awfully familiar.  Why did you send it again after
a bunch of people had already said useful things on that thread?