next->private = (unsigned long) pprev; 
set_page_private(next, (unsigned long) pprev); 
static inline void pgd_list_del(pgd_t *pgd){	struct page *next, **pprev, *page = virt_to_page(pgd);	next = (struct page *) page->index;	pprev = (struct page **)page_private(page);	*pprev = next;	if (next)		next->private = (unsigned long) pprev;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/8080f231224ccd3169f39e73fd750ba98d5b98a7/pgalloc.c/buggy/arch/frv/mm/pgalloc.c