-static inline unsigned long dax_page_share_put(struct page *page)
+static inline unsigned long dax_folio_put(struct folio *folio)
{
- WARN_ON_ONCE(!page->share);
- return --page->share;
+ unsigned long ref;
+
+ if (!dax_folio_is_shared(folio))
+ ref =
On Wed, Feb 05, 2025 at 09:48:16AM +1100, Alistair Popple wrote:
> Currently fs dax pages are considered free when the refcount drops to
> one and their refcounts are not increased when mapped via PTEs or
> decreased when unmapped. This requires special logic in mm paths to
> detect that these page
