Re: [PATCH v2 05/46] mm: Add arch_make_folio_accessible()

On Wed, Jun 23, 2021 at 10:00:37AM +0200, Christoph Hellwig wrote:

On Tue, Jun 22, 2021 at 01:15:10PM +0100, Matthew Wilcox (Oracle) wrote:

quoted

As a default implementation, call arch_make_page_accessible n times.
If an architecture can do better, it can override this.

Also move the default implementation of arch_make_page_accessible()
from gfp.h to mm.h.

Can we wait with introducing arch hooks until we have an actual user
lined up?

This one gets used in __folio_end_writeback() which is patch 24 in this
series.