2 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 26946ad483bf..0aa258f4678d 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -455,6 +455,7 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping,
                                 pgoff_t index, gfp_t gfp_mask);
 int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
                                 pgoff_t index, gfp_t gfp_mask);
+extern void delete_from_page_cache(struct page *page);
 extern void remove_from_page_cache(struct page *page);
 extern void __remove_from_page_cache(struct page *page);
 int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask);
diff --git a/mm/filemap.c b/mm/filemap.c
index c1459f2cdb5e..e7b59785ceb9 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -155,6 +155,22 @@ void remove_from_page_cache(struct page *page)
 }
 EXPORT_SYMBOL(remove_from_page_cache);
 
+/**
+ * delete_from_page_cache - delete page from page cache
+ * @page: the page which the kernel is trying to remove from page cache
+ *
+ * This must be called only on pages that have
+ * been verified to be in the page cache and locked.
+ * It will never put the page into the free list,
+ * the caller has a reference on the page.
+ */
+void delete_from_page_cache(struct page *page)
+{
+        remove_from_page_cache(page);
+        page_cache_release(page);
+}
+EXPORT_SYMBOL(delete_from_page_cache);
+
 static int sync_page(void *word)
 {
         struct address_space *mapping;