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

in addition to any PTEs.
This commit is contained in:
chs 2001-10-17 06:28:16 +00:00
parent e5447065e5
commit b5ad35867e
1 changed files with 6 additions and 3 deletions
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9
sys/arch/x68k/x68k/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.67 2001/09/10 21:19:30 chris Exp $ */
/* $NetBSD: pmap.c,v 1.68 2001/10/17 06:28:16 chs Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -2485,11 +2485,12 @@ pmap_changebit(pa, set, mask)
struct pv_entry *pv;
pt_entry_t *pte, npte;
vaddr_t va;
char *attrp;
int s;
#if defined(M68K_MMU_HP) || defined(M68040) || defined(M68060)
boolean_t firstpage = TRUE;
#endif
boolean_t r = FALSE;
boolean_t r;
PMAP_DPRINTF(PDB_BITS,
("pmap_changebit(%lx, %x, %x)\n", pa, set, mask));
@ -2501,7 +2502,9 @@ pmap_changebit(pa, set, mask)
* Clear saved attributes (modify, reference)
*/
*pa_to_attribute(pa) &= mask;
attrp = pa_to_attribute(pa);
r = *attrp & ~mask;
*attrp &= mask;
/*
* Loop over all current mappings setting/clearing as appropos