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

This commit is contained in:
thorpej 2001-07-15 05:24:20 +00:00
parent 1c2ce68f11
commit f79117f725
1 changed files with 6 additions and 17 deletions
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23
sys/arch/alpha/alpha/pmap.c
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@ -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 @@ pmap_destroy(pmap_t pmap)
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 @@ pmap_reference(pmap_t pmap)
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 @@ pmap_do_remove(pmap_t pmap, vaddr_t sva, vaddr_t eva, boolean_t dowired)
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_protect(pmap_t pmap, vaddr_t sva, vaddr_t eva, vm_prot_t prot)
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 @@ pmap_unwire(pmap_t pmap, vaddr_t va)
if (pmapdebug & PDB_FOLLOW)
printf("pmap_unwire(%p, %lx)\n", pmap, va);
#endif
if (pmap == NULL)
return;
PMAP_LOCK(pmap);