Merge tag 'mmc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

[linux-2.6-microblaze.git] / mm / folio-compat.c

diff --git a/mm/folio-compat.c b/mm/folio-compat.c
index 749555a..46fa179 100644 (file)
--- a/mm/folio-compat.c
+++ b/mm/folio-compat.c
@@ -7,6 +7,7 @@
 #include <linux/migrate.h>
 #include <linux/pagemap.h>
 #include <linux/swap.h>
+#include "internal.h"
 
 struct address_space *page_mapping(struct page *page)
 {
@@ -151,3 +152,15 @@ 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);
+
+int isolate_lru_page(struct page *page)
+{
+       if (WARN_RATELIMIT(PageTail(page), "trying to isolate tail page"))
+               return -EBUSY;
+       return folio_isolate_lru((struct folio *)page);
+}
+
+void putback_lru_page(struct page *page)
+{
+       folio_putback_lru(page_folio(page));
+}