*/
#define TASK_SIZE (CONFIG_TOP_ADDR & PGDIR_MASK)
+#undef STACK_TOP
+#undef STACK_TOP_MAX
+
+extern unsigned long stacksizelim;
+
+#define STACK_ROOM (stacksizelim)
+#define STACK_TOP (TASK_SIZE - 2 * PAGE_SIZE)
+#define STACK_TOP_MAX STACK_TOP
+
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
*/