unsigned long get_usable_page(unsigned gfp_mask) 
unsigned long get_usable_page(gfp_t gfp_mask) 
unsigned long get_usable_page(unsigned gfp_mask){	unsigned long m;	m = get_zeroed_page(gfp_mask);	while (!PageNosaveFree(virt_to_page(m))) {		eat_page((void *)m);		m = get_zeroed_page(gfp_mask);		if (!m)			break;	}	return m;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/9796fdd829da626374458e8706daedcc0e432ddd/swsusp.c/clean/kernel/power/swsusp.c