include/linux/fs.h |    1 +
 mm/filemap.c       |    3 +++
 2 files changed, 4 insertions(+)

Index: linux-2.6.4-30.1/include/linux/fs.h
===================================================================
--- linux-2.6.4-30.1.orig/include/linux/fs.h	2004-04-02 03:20:19.000000000 -0500
+++ linux-2.6.4-30.1/include/linux/fs.h	2004-04-02 03:20:19.000000000 -0500
@@ -320,6 +320,7 @@
 	int (*releasepage) (struct page *, int);
 	int (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
 			loff_t offset, unsigned long nr_segs);
+	void (*removepage)(struct page *); /* called when page gets removed from the inode */
 };
 
 struct backing_dev_info;
Index: linux-2.6.4-30.1/mm/filemap.c
===================================================================
--- linux-2.6.4-30.1.orig/mm/filemap.c	2004-04-02 03:19:42.000000000 -0500
+++ linux-2.6.4-30.1/mm/filemap.c	2004-04-02 03:23:10.000000000 -0500
@@ -102,6 +102,9 @@
 {
 	struct address_space *mapping = page->mapping;
 
+	if (mapping->a_ops->removepage)
+		mapping->a_ops->removepage(page);
+
 	radix_tree_delete(&mapping->page_tree, page->index);
	list_del(&page->list);
 	page->mapping = NULL;