patch-2.1.126 linux/mm/page_alloc.c

• Lines: 12
• Date: Thu Oct 22 12:19:51 1998
• Orig file: v2.1.125/linux/mm/page_alloc.c
• Orig date: Mon Sep 28 10:51:36 1998

diff -u --recursive --new-file v2.1.125/linux/mm/page_alloc.c linux/mm/page_alloc.c
@@ -408,8 +408,9 @@
 	/* The page is unshared, and we want write access.  In this
 	   case, it is safe to tear down the swap cache and give the
 	   page over entirely to this process. */
-		
-	delete_from_swap_cache(page_map);
+
+	if (PageSwapCache(page_map))
+		delete_from_swap_cache(page_map);
 	set_pte(page_table, pte_mkwrite(pte_mkdirty(mk_pte(page, vma->vm_page_prot))));
   	return;
 }