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The first va should depend on the text offset, not the kernel base. Use

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rounddown. Note: this value is still wrong, it should be roundup. But
that's another issue that will be fixed in amd64 soon.
This commit is contained in:
maxv 2017-02-02 17:37:49 +00:00
parent 8c06ed2feb
commit 7fbd00cfca
1 changed files with 3 additions and 3 deletions
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6
sys/arch/x86/x86/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.238 2017/02/02 08:57:04 maxv Exp $ */
/* $NetBSD: pmap.c,v 1.239 2017/02/02 17:37:49 maxv Exp $ */
/*-
* Copyright (c) 2008, 2010, 2016, 2017 The NetBSD Foundation, Inc.
@ -171,7 +171,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.238 2017/02/02 08:57:04 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.239 2017/02/02 17:37:49 maxv Exp $");
#include "opt_user_ldt.h"
#include "opt_lockdebug.h"
@ -1595,7 +1595,7 @@ pmap_remap_largepages(void)
paddr_t pa;
/* Remap the kernel text using large pages. */
kva = KERNBASE;
kva = rounddown((vaddr_t)KERNTEXTOFF, NBPD_L2);
kva_end = rounddown((vaddr_t)&__rodata_start, NBPD_L1);
pa = kva - KERNBASE;
for (/* */; kva + NBPD_L2 <= kva_end; kva += NBPD_L2, pa += NBPD_L2) {