summaryrefslogtreecommitdiff
path: root/arch/powerpc/mm/mem.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2019-07-11 15:14:16 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2019-07-11 15:14:16 +0200
commita45ff5994c9cde41af627c46abb9f32beae68943 (patch)
treeb726cc506ed1b01484f183ab2679cdd618e1e9b1 /arch/powerpc/mm/mem.c
parent429bb83af8bcea0115eb34fd7ed94a35166d8384 (diff)
parent1e0cf16cdad1ba53e9eeee8746fe57de42f20c97 (diff)
Merge tag 'kvm-arm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 5.3 - Add support for chained PMU counters in guests - Improve SError handling - Handle Neoverse N1 erratum #1349291 - Allow side-channel mitigation status to be migrated - Standardise most AArch64 system register accesses to msr_s/mrs_s - Fix host MPIDR corruption on 32bit
Diffstat (limited to 'arch/powerpc/mm/mem.c')
-rw-r--r--arch/powerpc/mm/mem.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index e885fe2aafcc..2540d3b2588c 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PowerPC version
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
@@ -9,12 +10,6 @@
*
* Derived from "arch/i386/mm/init.c"
* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
*/
#include <linux/export.h>
@@ -253,7 +248,8 @@ void __init paging_init(void)
(long int)((top_of_ram - total_ram) >> 20));
#ifdef CONFIG_ZONE_DMA
- max_zone_pfns[ZONE_DMA] = min(max_low_pfn, 0x7fffffffUL >> PAGE_SHIFT);
+ max_zone_pfns[ZONE_DMA] = min(max_low_pfn,
+ ((1UL << ARCH_ZONE_DMA_BITS) - 1) >> PAGE_SHIFT);
#endif
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
#ifdef CONFIG_HIGHMEM