diff -urNp --exclude CVS --exclude BitKeeper x-ref/mm/swap_state.c x/mm/swap_state.c
--- x-ref/mm/swap_state.c	2002-11-29 02:23:18.000000000 +0100
+++ x/mm/swap_state.c	2003-07-17 03:20:14.000000000 +0200
@@ -99,7 +99,7 @@ void __delete_from_swap_cache(struct pag
 		BUG();
 	if (!PageSwapCache(page))
 		BUG();
-	ClearPageDirty(page);
+	SetPageDirty(page);
 	__remove_inode_page(page);
 	INC_CACHE_INFO(del_total);
 }
@@ -114,9 +114,6 @@ void delete_from_swap_cache(struct page 
 {
 	swp_entry_t entry;
 
-	if (!PageLocked(page))
-		BUG();
-
 	if (unlikely(!block_flushpage(page, 0)))
 		BUG();	/* an anonymous page cannot have page->buffers set */
 
diff -urNp --exclude CVS --exclude BitKeeper x-ref/mm/swapfile.c x/mm/swapfile.c
--- x-ref/mm/swapfile.c	2003-07-15 02:05:53.000000000 +0200
+++ x/mm/swapfile.c	2003-07-17 03:20:14.000000000 +0200
@@ -309,7 +309,6 @@ int remove_exclusive_swap_page(struct pa
 		spin_lock(&pagecache_lock);
 		if (page_count(page) - !!page->buffers == 2) {
 			__delete_from_swap_cache(page);
-			SetPageDirty(page);
 			retval = 1;
 		}
 		spin_unlock(&pagecache_lock);
@@ -343,10 +342,8 @@ void free_swap_and_cache(swp_entry_t ent
 	if (page) {
 		page_cache_get(page);
 		/* Only cache user (+us), or swap space full? Free it! */
-		if (page_count(page) - !!page->buffers == 2 || vm_swap_full()) {
+		if (page_count(page) - !!page->buffers == 2 || vm_swap_full())
 			delete_from_swap_cache(page);
-			SetPageDirty(page);
-		}
 		UnlockPage(page);
 		page_cache_release(page);
 	}
@@ -696,7 +693,6 @@ static int try_to_unuse(unsigned int typ
 		 * to 1, we did not mark any present ptes as dirty: must
 		 * mark page dirty so try_to_swap_out will preserve it.
 		 */
-		SetPageDirty(page);
 		UnlockPage(page);
 		page_cache_release(page);