patch-1.3.53 linux/mm/memory.c

• Lines: 18
• Date: Tue Jan 2 07:34:22 1996
• Orig file: v1.3.52/linux/mm/memory.c
• Orig date: Tue Dec 26 04:45:41 1995

diff -u --recursive --new-file v1.3.52/linux/mm/memory.c linux/mm/memory.c
@@ -57,7 +57,7 @@
 int nr_swap_pages = 0;
 int nr_free_pages = 0;
 struct mem_list free_area_list[NR_MEM_LISTS];
-unsigned char * free_area_map[NR_MEM_LISTS];
+unsigned int * free_area_map[NR_MEM_LISTS];
 
 /*
  * We special-case the C-O-W ZERO_PAGE, because it's such
@@ -669,7 +669,7 @@
 	 * case where we use a fake user buffer with get_fs/set_fs()) we
 	 * don't expect to find the address in the user vm map.
 	 */
-	if (get_fs() == get_ds())
+	if (!size || get_fs() == get_ds())
 		return 0;
 
 	vma = find_vma(current, start);