1 files changed, 4 insertions, 2 deletions

diff --git a/include/asm-sparc64/a.out.h b/include/asm-sparc64/a.out.h
index faac321d5594..35cb5c9e0c92 100644
--- a/include/asm-sparc64/a.out.h
+++ b/include/asm-sparc64/a.out.h
@@ -95,9 +95,11 @@ struct relocation_info /* used when header.a_machtype == M_SPARC */
 
 #ifdef __KERNEL__
 
+#define STACK_TOP32     ((1UL << 32UL) - PAGE_SIZE)
+#define STACK_TOP64     (0x0000080000000000UL - (1UL << 32UL))
+
 #define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
-                   0xf0000000 : \
-                   (0x0000080000000000UL - (1UL << 32UL)))
+                   STACK_TOP32 : STACK_TOP64)
 
 #endif