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pmap_changeprot: truncate VA argument to page-boundary. Needed in case we 

call cache_page_flush().
This commit is contained in:
pk 1996-06-11 21:54:44 +00:00
parent f4e69ce47d
commit 49aec33417
1 changed files with 3 additions and 1 deletions
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4
sys/arch/sparc/sparc/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.63 1996/05/30 00:02:09 pk Exp $ */
/* $NetBSD: pmap.c,v 1.64 1996/06/11 21:54:44 pk Exp $ */
/*
* Copyright (c) 1996
@ -4677,6 +4677,7 @@ pmap_changeprot4_4c(pm, va, prot, wired)
write_user_windows(); /* paranoia */
va &= ~(NBPG-1);
if (pm == pmap_kernel())
newprot = prot & VM_PROT_WRITE ? PG_S|PG_W : PG_S;
else
@ -5003,6 +5004,7 @@ pmap_changeprot4m(pm, va, prot, wired)
write_user_windows(); /* paranoia */
va &= ~(NBPG-1);
if (pm == pmap_kernel())
newprot = prot & VM_PROT_WRITE ? PPROT_N_RWX : PPROT_N_RX;
else