diff -urpN pgcl-2.5.59-wk-3/include/asm-i386/shmparam.h pgcl-2.5.59-wk-4/include/asm-i386/shmparam.h
--- pgcl-2.5.59-wk-3/include/asm-i386/shmparam.h	2003-01-16 18:22:00.000000000 -0800
+++ pgcl-2.5.59-wk-4/include/asm-i386/shmparam.h	2003-02-11 01:38:54.000000000 -0800
@@ -1,6 +1,6 @@
 #ifndef _ASMI386_SHMPARAM_H
 #define _ASMI386_SHMPARAM_H
 
-#define	SHMLBA PAGE_SIZE		 /* attach addr a multiple of this */
+#define	SHMLBA MMUPAGE_SIZE		 /* attach addr a multiple of this */
 
 #endif /* _ASMI386_SHMPARAM_H */
diff -urpN pgcl-2.5.59-wk-3/ipc/shm.c pgcl-2.5.59-wk-4/ipc/shm.c
--- pgcl-2.5.59-wk-3/ipc/shm.c	2003-02-11 01:27:14.000000000 -0800
+++ pgcl-2.5.59-wk-4/ipc/shm.c	2003-02-11 01:27:51.000000000 -0800
@@ -705,7 +705,7 @@ asmlinkage long sys_shmat (int shmid, ch
 		 * space left for the stack to grow (at least 4 pages).
 		 */
 		if (addr < current->mm->start_stack &&
-		    addr > current->mm->start_stack - size - PAGE_SIZE * 5)
+		    addr > current->mm->start_stack - size - MMUPAGE_SIZE * 5)
 			goto invalid;
 	}