Re: [PATCH v3 2/3] mm: Call arch_swap_restore() from unuse_pte()

[Catalin Marinas]

On Tue, May 16, 2023 at 07:21:12PM -0700, Peter Collingbourne wrote:
> We would like to move away from requiring architectures to restore
> metadata from swap in the set_pte_at() implementation, as this is not only
> error-prone but adds complexity to the arch-specific code. This requires
> us to call arch_swap_restore() before calling swap_free() whenever pages
> are restored from swap. We are currently doing so everywhere except in
> unuse_pte(); do so there as well.
> 
> Signed-off-by: Peter Collingbourne <pcc@xxxxxxxxxx>
> Link: https://linux-review.googlesource.com/id/I68276653e612d64cde271ce1b5a99ae05d6bbc4f

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>