Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * Suspend support specific for power.

 *

 * Distribute under GPLv2

 *

 * Copyright (c) 2002 Pavel Machek <pavel@suse.cz>

 * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org>

 */

#include <asm/page.h>

/* References to section boundaries */

extern const void __nosave_begin, __nosave_end;

/*

 *      pfn_is_nosave - check if given pfn is in the 'nosave' section

 */

int pfn_is_nosave(unsigned long pfn)

{

        unsigned long nosave_begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;

        unsigned long nosave_end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT;

        return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);

}