diff --git a/lisp/sparc-validate.h b/lisp/sparc-validate.h
index 131437e05041304151e4a3abd38799414410298e..c6b150faec7ad681b560a0c9058a893a46dd749b 100644
--- a/lisp/sparc-validate.h
+++ b/lisp/sparc-validate.h
@@ -1,19 +1,19 @@
 
 #define READ_ONLY_SPACE_START   (0x00200000)
-#define READ_ONLY_SPACE_SIZE    (0x0bdfe000)
+#define READ_ONLY_SPACE_SIZE    (0x0bdf8000)
 
 #define STATIC_SPACE_START	(0x0c000000)
-#define STATIC_SPACE_SIZE	(0x03ffe000)
+#define STATIC_SPACE_SIZE	(0x03ff8000)
 
 #define DYNAMIC_0_SPACE_START	(0x10000000)
 #define DYNAMIC_1_SPACE_START	(0x18000000)
-#define DYNAMIC_SPACE_SIZE	(0x07ffe000)
+#define DYNAMIC_SPACE_SIZE	(0x07ff8000)
 
 #define CONTROL_STACK_START	(0x00100000)
-#define CONTROL_STACK_SIZE	(0x0007e000)
+#define CONTROL_STACK_SIZE	(0x00078000)
 
 #define BINDING_STACK_START	(0x00180000)
-#define BINDING_STACK_SIZE	(0x0007e000)
+#define BINDING_STACK_SIZE	(0x00078000)
 
 #ifdef SUNOS
 #define NUMBER_STACK_START	(0xf7ef0000)
@@ -22,5 +22,5 @@
 #endif
 #define NUMBER_STACK_SIZE	(0x00100000)
 
-#define HOLES {0x0bffe000, 0x0fffe000, 0x17ffe000, 0x1fffe000}
+#define HOLES {0x0bff8000, 0x0fff8000, 0x17ff8000, 0x1fff8000}
 #define HOLE_SIZE 0x2000