9 Jun
2021
9 Jun
'21
7:23 p.m.
On Mon, Jun 07, 2021 at 03:42:19PM -0500, Alex Sierra wrote:
+++ b/include/linux/dax.h @@ -243,6 +243,16 @@ static inline bool dax_mapping(struct address_space *mapping) return mapping->host && IS_DAX(mapping->host); }
+static inline bool dax_layout_is_idle_page(struct page *page) +{
- return page_ref_count(page) == 1;
+}
We already have something called an idle page, and that's quite a different thing from this. How about dax_page_unused() (it's a use count, so once it's got down to its minimum value, it's unused)?