diff --git a/include/asm-sparc/mman.h b/include/asm-sparc/mman.h
index fe0976a9df24701583debd36fcdb215312cd7114..7fc6075d358e18fc9c657c8f5110e5dc51ac0ad3 100644
--- a/include/asm-sparc/mman.h
+++ b/include/asm-sparc/mman.h
@@ -21,7 +21,7 @@
 #define MAP_LOCKED      0x100           /* lock the mapping */
 #define _MAP_NEW        0x80000000      /* Binary compatibility is fun... */
 
-#define MAP_GROWSDOWN	0x0100		/* stack-like segment */
+#define MAP_GROWSDOWN	0x0200		/* stack-like segment */
 #define MAP_DENYWRITE	0x0800		/* ETXTBSY */
 #define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
 
diff --git a/include/asm-sparc64/mman.h b/include/asm-sparc64/mman.h
index ec42f85b2bb85f0cda22ea431a04e2e1665209cc..f5980a152936cb46f4961e1fd2123c35ec5b7fa9 100644
--- a/include/asm-sparc64/mman.h
+++ b/include/asm-sparc64/mman.h
@@ -21,7 +21,7 @@
 #define MAP_LOCKED      0x100           /* lock the mapping */
 #define _MAP_NEW        0x80000000      /* Binary compatibility is fun... */
 
-#define MAP_GROWSDOWN	0x0100		/* stack-like segment */
+#define MAP_GROWSDOWN	0x0200		/* stack-like segment */
 #define MAP_DENYWRITE	0x0800		/* ETXTBSY */
 #define MAP_EXECUTABLE	0x1000		/* mark it as an executable */