Eliminate unused definitions. (They came from NetBSD.)

Discussed with: cognet, grehan, marcel

sys/arm/include/vmparam.h

@@ -50,15 +50,6 @@
 /*
  * Override the default pager_map size, there's not enough KVA.
  */
-/*
- * Size of User Raw I/O map
- */
-
-#define USRIOSIZE       300
-
-/* virtual sizes (bytes) for various kernel submaps */
-
-#define VM_PHYS_SIZE		(USRIOSIZE*PAGE_SIZE)
 
 /*
  * max number of non-contig chunks of physical RAM you can have

sys/ia64/include/vmparam.h

@@ -73,14 +73,6 @@
 #define SGROWSIZ	(128UL*1024)		/* amount to grow stack */
 #endif
 
-/*
- * PTEs for mapping user space into the kernel for phyio operations.
- * 64 pte's are enough to cover 8 disks * MAXBSIZE.
- */
-#ifndef USRIOSIZE
-#define USRIOSIZE	64
-#endif
-
 /*
  * Boundary at which to place first MAPMEM segment if not explicitly
  * specified.  Should be a power of two.  This allows some slop for

sys/powerpc/include/vmparam.h

@@ -65,11 +65,6 @@
 #define	SHMMAXPGS	1024
 #endif
 
-/*
- * Size of User Raw I/O map
- */
-#define	USRIOSIZE	1024
-
 /*
  * The time for a process to be blocked before being very swappable.
  * This is a number of seconds which the system takes as being a non-trivial
@@ -103,8 +98,6 @@
 #define	VM_MAX_KERNEL_BUF	(SEGMENT_LENGTH * 7 / 10)
 #endif
 
-#define	VM_PHYS_SIZE		(USRIOSIZE * NBPG)
-
 struct pmap_physseg {
 	struct pv_entry *pvent;
 	char *attrs;