-static inline unsigned long dax_folio_share_put(struct folio *folio)
+static inline unsigned long dax_folio_put(struct folio *folio)
{
- return --folio->page.share;
+ unsigned long ref;
+ int order, i;
+
+ if (!dax_folio_is_shared(folio))
+ ref = 0;
+
On Tue, Feb 18, 2025 at 12:37:28PM +0100, David Hildenbrand wrote:
> On 18.02.25 04:55, 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 s
On 18.02.25 04:55, 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 pages should not be properly refc
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 pages should not be properly refcounted, and to
detect when the refcount drop
