[src/trunk]: src/sys/arch/arm/acpi Fix size calculation in acpi_md_OsUnmapMemory

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a7d426386127
branches:  trunk
changeset: 445183:a7d426386127
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Tue Oct 16 16:38:22 2018 +0000

description:
Fix size calculation in acpi_md_OsUnmapMemory

diffstat:

 sys/arch/arm/acpi/acpi_machdep.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 9cab2540305c -r a7d426386127 sys/arch/arm/acpi/acpi_machdep.c
--- a/sys/arch/arm/acpi/acpi_machdep.c  Tue Oct 16 16:18:15 2018 +0000
+++ b/sys/arch/arm/acpi/acpi_machdep.c  Tue Oct 16 16:38:22 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_machdep.c,v 1.2 2018/10/15 11:35:03 jmcneill Exp $ */
+/* $NetBSD: acpi_machdep.c,v 1.3 2018/10/16 16:38:22 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_machdep.c,v 1.2 2018/10/15 11:35:03 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_machdep.c,v 1.3 2018/10/16 16:38:22 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -122,7 +122,7 @@
        vsize_t osz;
 
        ova = trunc_page((vaddr_t)va);
-       osz = round_page((vaddr_t)va + size) - (vaddr_t)va;
+       osz = round_page((vaddr_t)va + size) - ova;
 
        pmap_kremove(ova, osz);
        pmap_update(pmap_kernel());