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fix pmap_changebit() to look for the bit in the page attrs 

in addition to any PTEs.  fixes PR 14220.
This commit is contained in:
chs 2001-10-13 18:28:10 +00:00
parent 1bcfb3cc57
commit 4c1a2f36f8
1 changed files with 3 additions and 3 deletions
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6
sys/arch/powerpc/powerpc/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.46 2001/07/22 13:08:09 wiz Exp $ */
/* $NetBSD: pmap.c,v 1.47 2001/10/13 18:28:10 chs Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -1215,14 +1215,14 @@ ptemodify(pg, mask, val)
if (attr == NULL)
return FALSE;
rv = *attr & (mask >> ATTRSHFT);
*attr &= ~mask >> ATTRSHFT;
*attr |= val >> ATTRSHFT;
pv = pa_to_pv(pa);
if (pv->pv_idx < 0)
return FALSE;
return rv != 0;
rv = FALSE;
s = splvm();
for (; pv; pv = pv->pv_next) {
for (ptp = ptable + pv->pv_idx * 8, i = 8; --i >= 0; ptp++)