X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/1284e7771e7028f65b940fe51c39afa018028412..da6ece2ed8559ae1a7dedcb951b3947df90cb0c0:/sys/vm/vm_param.h

diff --git a/sys/vm/vm_param.h b/sys/vm/vm_param.h
index db2f0824dd..4383984ccd 100644
--- a/sys/vm/vm_param.h
+++ b/sys/vm/vm_param.h
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)vm_param.h	7.2 (Berkeley) 4/21/91
- *	$Id$
+ *	$Id: vm_param.h,v 1.5 1994/01/31 04:21:55 davidg Exp $
  */
 
 /*
@@ -84,20 +84,6 @@ typedef int	boolean_t;
 #define	TRUE	1
 #define	FALSE	0
 
-/*
- *	The machine independent pages are refered to as PAGES.  A page
- *	is some number of hardware pages, depending on the target machine.
- */
-
-/*
- *	All references to the size of a page should be done with PAGE_SIZE
- *	or PAGE_SHIFT.  The fact they are variables is hidden here so that
- *	we can easily make them constant if we so desire.
- */
-
-#define	PAGE_SIZE	page_size	/* size of page in addressible units */
-#define PAGE_SHIFT	page_shift	/* number of bits to shift for pages */
-
 /* 
  *	Return values from the VM routines.
  */
@@ -112,17 +98,12 @@ typedef int	boolean_t;
 #define	KERN_NO_ACCESS		8
 
 #ifdef	ASSEMBLER
-#else	ASSEMBLER
+#else /* ASSEMBLER */
 /*
  *	Convert addresses to pages and vice versa.
  *	No rounding is used.
  */
 
-#ifdef	KERNEL
-#define	atop(x)		(((unsigned)(x)) >> page_shift)
-#define	ptoa(x)		((vm_offset_t)((x) << page_shift))
-#endif	KERNEL
-
 /*
  *	Round off or truncate to the nearest page.  These will work
  *	for either addresses or counts.  (i.e. 1 byte rounds to 1 page
@@ -130,24 +111,10 @@ typedef int	boolean_t;
  */
 
 #ifdef	KERNEL
-#define round_page(x)	((vm_offset_t)((((vm_offset_t)(x)) + page_mask) & ~page_mask))
-#define trunc_page(x)	((vm_offset_t)(((vm_offset_t)(x)) & ~page_mask))
-#else	KERNEL
-#define	round_page(x)	((((vm_offset_t)(x) + (vm_page_size - 1)) / vm_page_size) * vm_page_size)
-#define	trunc_page(x)	((((vm_offset_t)(x)) / vm_page_size) * vm_page_size)
-#endif	KERNEL
-
-#ifdef	KERNEL
-extern vm_size_t	page_size;	/* machine independent page size */
-extern vm_size_t	page_mask;	/* page_size - 1; mask for
-						   offset within page */
-extern int		page_shift;	/* shift to use for page size */
-
-extern vm_size_t	mem_size;	/* size of physical memory (bytes) */
 extern vm_offset_t	first_addr;	/* first physical page */
 extern vm_offset_t	last_addr;	/* last physical page */
-#endif	KERNEL
+#endif /* KERNEL */
 
-#endif	ASSEMBLER
+#endif /* ASSEMBLER */
 
-#endif	_VM_PARAM_
+#endif /* _VM_PARAM_ */