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Clarify comments in pmap_enter.

This commit is contained in:
uwe 2007-05-25 23:55:13 +00:00
parent 12003e8756
commit 6a75919c1e
1 changed files with 4 additions and 4 deletions
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8
sys/arch/sh3/sh3/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.63 2007/05/18 02:31:06 uwe Exp $ */
/* $NetBSD: pmap.c,v 1.64 2007/05/25 23:55:13 uwe Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.63 2007/05/18 02:31:06 uwe Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.64 2007/05/25 23:55:13 uwe Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -348,7 +348,7 @@ pmap_enter(pmap_t pmap, vaddr_t va, paddr_t pa, vm_prot_t prot, int flags)
pvh = &pg->mdpage;
entry |= PG_C; /* always cached */
/* Modified/reference tracking */
/* Seed modified/reference tracking */
if (flags & VM_PROT_WRITE) {
entry |= PG_V | PG_D;
pvh->pvh_flags |= PVH_MODIFIED | PVH_REFERENCED;
@ -364,7 +364,7 @@ pmap_enter(pmap_t pmap, vaddr_t va, paddr_t pa, vm_prot_t prot, int flags)
else
entry |= PG_PR_URW;
} else {
/* RO, COW page */
/* RO or COW page */
if (kva)
entry |= PG_PR_KRO | PG_SH;
else