filemap: Add filemap_release_folio()

Reimplement try_to_release_page() as a wrapper around
filemap_release_folio().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/mm/folio-compat.c b/mm/folio-compat.c
index 749a695b4217..749555a232a8 100644
--- a/mm/folio-compat.c
+++ b/mm/folio-compat.c
@@ -145,3 +145,9 @@ void delete_from_page_cache(struct page *page)
 {
 	return filemap_remove_folio(page_folio(page));
 }
+
+int try_to_release_page(struct page *page, gfp_t gfp)
+{
+	return filemap_release_folio(page_folio(page), gfp);
+}
+EXPORT_SYMBOL(try_to_release_page);