2 * Suspend support specific for power.
4 * Distribute under GPLv2
6 * Copyright (c) 2002 Pavel Machek <pavel@suse.cz>
7 * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org>
12 /* References to section boundaries */
13 extern const void __nosave_begin, __nosave_end;
16 * pfn_is_nosave - check if given pfn is in the 'nosave' section
19 int pfn_is_nosave(unsigned long pfn)
21 unsigned long nosave_begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
22 unsigned long nosave_end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT;
23 return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);