Remove a now unnecessary prototype from pmap.c. Also remove now

unnecessary vm_fault's of page table pages in trap.c.

1 files changed, 1 insertions, 30 deletions

diff --git a/sys/amd64/amd64/trap.c b/sys/amd64/amd64/trap.c
index a52144e..c97e50a 100644
--- a/sys/amd64/amd64/trap.c
+++ b/sys/amd64/amd64/trap.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)trap.c	7.4 (Berkeley) 5/13/91
- *	$Id: trap.c,v 1.73 1996/03/02 19:37:41 peter Exp $
+ *	$Id: trap.c,v 1.74 1996/03/27 17:33:39 bde Exp $
  */
 
 /*
@@ -523,23 +523,9 @@ trap_pfault(frame, usermode)
 			}
 		}
 
-		/*
-		 * Check if page table is mapped, if not,
-		 *	fault it first
-		 */
-		v = (vm_offset_t) vtopte(va);
-
-		/* Fault the pte only if needed: */
-		if (*((int *)vtopte(v)) == 0)
-			(void) vm_fault(map, trunc_page(v), VM_PROT_WRITE, FALSE);
-
-		mpte = pmap_use_pt( vm_map_pmap(map), va);
-
 		/* Fault in the user page: */
 		rv = vm_fault(map, va, ftype, FALSE);
 
-		pmap_unuse_pt( vm_map_pmap(map), va, mpte);
-
 		--p->p_lock;
 	} else {
 		/*
@@ -641,24 +627,9 @@ trap_pfault(frame, usermode)
 			}
 		}
 
-		/*
-		 * Check if page table is mapped, if not,
-		 *	fault it first
-		 */
-		v = (vm_offset_t) vtopte(va);
-
-		/* Fault the pte only if needed: */
-		if (*((int *)vtopte(v)) == 0)
-			(void) vm_fault(map,
-				trunc_page(v), VM_PROT_WRITE, FALSE);
-
-		mpte = pmap_use_pt( vm_map_pmap(map), va);
-
 		/* Fault in the user page: */
 		rv = vm_fault(map, va, ftype, FALSE);
 
-		pmap_unuse_pt( vm_map_pmap(map), va, mpte);
-
 		--p->p_lock;
 	} else {
 		/*