1 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-um/processor-generic.h b/include/asm-um/processor-generic.h
index b7d9a16a7451..7a1624cdaf7e 100644
--- a/include/asm-um/processor-generic.h
+++ b/include/asm-um/processor-generic.h
@@ -94,6 +94,15 @@ static inline void mm_copy_segments(struct mm_struct *from_mm,
  */
 #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.
  */