Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / powerpc / kernel / suspend.c
1 /*
2  * Suspend support specific for power.
3  *
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
18 int 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 }