This is just a wrapper around release_pages() for now. Place the
prototype in mm.h along with folio_put() and folio_put_refs().
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
include/linux/mm.h | 19 +++++++++++++++++++
include/linux/pagemap.h | 2 --
2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 82b680261cf0..07a1998c3621 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1251,6 +1251,25 @@ static inline void folio_put_refs(struct folio *folio, int refs)
__put_page(&folio->page);
}
+void release_pages(struct page **pages, int nr);
+
+/**
+ * folios_put - Decrement the reference count on an array of folios.
+ * @folios: The folios.
+ * @nr: How many folios there are.
+ *
+ * Like folio_put(), but for an array of folios. This is more efficient
+ * than writing the loop yourself as it will optimise the locks which
+ * need to be taken if the folios are freed.
+ *
+ * Context: May be called in process or interrupt context, but not in NMI
+ * context. May be called while holding a spinlock.
+ */
+static inline void folios_put(struct folio **folios, unsigned int nr)
+{
+ release_pages((struct page **)folios, nr);
+}
+
static inline void put_page(struct page *page)
{
struct folio *folio = page_folio(page);
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 2a67c0ad7348..7c4748a62841 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -345,8 +345,6 @@ static inline void filemap_nr_thps_dec(struct address_space *mapping)
#endif
}
-void release_pages(struct page **pages, int nr);
-
struct address_space *page_mapping(struct page *);
struct address_space *folio_mapping(struct folio *);
struct address_space *swapcache_mapping(struct folio *);
--
2.35.1
