suspend.c (e5451c8f8330e03ad3cfa16048b4daf961af434f) suspend.c (767a67b0b35520348dc3b28dcba06454b0f9023d)
1// SPDX-License-Identifier: GPL-2.0-only
1/*
2 * Suspend support specific for power.
3 *
2/*
3 * Suspend support specific for power.
4 *
4 * Distribute under GPLv2
5 *
6 * Copyright (c) 2002 Pavel Machek <pavel@ucw.cz>
7 * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org>
8 */
9
10#include <linux/mm.h>
11#include <asm/page.h>
12#include <asm/sections.h>
13
14/*
15 * pfn_is_nosave - check if given pfn is in the 'nosave' section
16 */
17
18int pfn_is_nosave(unsigned long pfn)
19{
20 unsigned long nosave_begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
21 unsigned long nosave_end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT;
22 return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
23}
5 * Copyright (c) 2002 Pavel Machek <pavel@ucw.cz>
6 * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org>
7 */
8
9#include <linux/mm.h>
10#include <asm/page.h>
11#include <asm/sections.h>
12
13/*
14 * pfn_is_nosave - check if given pfn is in the 'nosave' section
15 */
16
17int pfn_is_nosave(unsigned long pfn)
18{
19 unsigned long nosave_begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
20 unsigned long nosave_end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT;
21 return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
22}