[src/trunk]: src/sys/arch/alpha/alpha UVM never passes us a NULL pmap argumen...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/49edca02e178
branches:  trunk
changeset: 512723:49edca02e178
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sun Jul 15 05:24:20 2001 +0000

description:
UVM never passes us a NULL pmap argument; remove that Mach VM leftover.

diffstat:

 sys/arch/alpha/alpha/pmap.c |  23 ++++++-----------------
 1 files changed, 6 insertions(+), 17 deletions(-)

diffs (72 lines):

diff -r c27721340301 -r 49edca02e178 sys/arch/alpha/alpha/pmap.c
--- a/sys/arch/alpha/alpha/pmap.c       Sun Jul 15 03:09:22 2001 +0000
+++ b/sys/arch/alpha/alpha/pmap.c       Sun Jul 15 05:24:20 2001 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.180 2001/05/26 21:27:02 chs Exp $ */
+/* $NetBSD: pmap.c,v 1.181 2001/07/15 05:24:20 thorpej Exp $ */
 
 /*-
  * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
@@ -154,7 +154,7 @@
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
 
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.180 2001/05/26 21:27:02 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.181 2001/07/15 05:24:20 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1220,8 +1220,6 @@
        if (pmapdebug & PDB_FOLLOW)
                printf("pmap_destroy(%p)\n", pmap);
 #endif
-       if (pmap == NULL)
-               return;
 
        PMAP_LOCK(pmap);
        refs = --pmap->pm_count;
@@ -1262,11 +1260,10 @@
        if (pmapdebug & PDB_FOLLOW)
                printf("pmap_reference(%p)\n", pmap);
 #endif
-       if (pmap != NULL) {
-               PMAP_LOCK(pmap);
-               pmap->pm_count++;
-               PMAP_UNLOCK(pmap);
-       }
+
+       PMAP_LOCK(pmap);
+       pmap->pm_count++;
+       PMAP_UNLOCK(pmap);
 }
 
 /*
@@ -1311,9 +1308,6 @@
                printf("pmap_remove(%p, %lx, %lx)\n", pmap, sva, eva);
 #endif
 
-       if (pmap == NULL)
-               return;
-
        /*
         * If this is the kernel pmap, we can use a faster method
         * for accessing the PTEs (since the PT pages are always
@@ -1554,9 +1548,6 @@
                    pmap, sva, eva, prot);
 #endif
 
-       if (pmap == NULL)
-               return;
-
        if ((prot & VM_PROT_READ) == VM_PROT_NONE) {
                pmap_remove(pmap, sva, eva);
                return;
@@ -2078,8 +2069,6 @@
        if (pmapdebug & PDB_FOLLOW)
                printf("pmap_unwire(%p, %lx)\n", pmap, va);
 #endif
-       if (pmap == NULL)
-               return;
 
        PMAP_LOCK(pmap);