--- linux-2.6.16.i686/mm/readahead.c.relpage	2006-03-20 00:53:29.000000000 -0500
+++ linux-2.6.16.i686/mm/readahead.c	2006-03-24 23:00:45.000000000 -0500
@@ -39,6 +39,8 @@ file_ra_state_init(struct file_ra_state 
 	ra->prev_page = -1;
 }
 
+EXPORT_SYMBOL_GPL(file_ra_state_init);
+
 /*
  * Return max readahead size for this inode in number-of-pages.
  */
@@ -130,6 +132,12 @@ int read_cache_pages(struct address_spac
 		page = list_to_page(pages);
 		list_del(&page->lru);
 		if (add_to_page_cache(page, mapping, page->index, GFP_KERNEL)) {
+			if (PagePrivate(page) && mapping->a_ops->releasepage) {
+				page->mapping = mapping;
+				mapping->a_ops->releasepage(page, GFP_KERNEL);
+				page->mapping = NULL;
+			}
+				
 			page_cache_release(page);
 			continue;
 		}
@@ -142,6 +150,16 @@ int read_cache_pages(struct address_spac
 
 				victim = list_to_page(pages);
 				list_del(&victim->lru);
+
+				if (PagePrivate(victim) &&
+				    mapping->a_ops->releasepage
+				    ) {
+					victim->mapping = mapping;
+					mapping->a_ops->releasepage(
+						victim, GFP_KERNEL);
+					victim->mapping = NULL;
+				}
+
 				page_cache_release(victim);
 			}
 			break;