referenced += page_referenced_anon(page, ignore_token); 
referenced += page_referenced_anon(page); 
int page_referenced(struct page *page, int is_locked, int ignore_token){	int referenced = 0;	if (!swap_token_default_timeout)		ignore_token = 1;	if (page_test_and_clear_young(page))		referenced++;	if (TestClearPageReferenced(page))		referenced++;	if (page_mapped(page) && page->mapping) {		if (PageAnon(page))			referenced += page_referenced_anon(page, ignore_token);		else if (is_locked)			referenced += page_referenced_file(page, ignore_token);		else if (TestSetPageLocked(page))			referenced++;		else {			if (page->mapping)				referenced += page_referenced_file(page,								ignore_token);			unlock_page(page);		}	}	return referenced;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/f7b7fd8f3ebbb2810d6893295aa984acd0fd30db/rmap.c/clean/mm/rmap.c