1 << PG_writeback); 
1 << PG_writeback | 1 << PG_reserved ); 
static void bad_page(const char *function, struct page *page){	printk(KERN_EMERG "Bad page state at %s (in process '%s', page %p)\n",		function, current->comm, page);	printk(KERN_EMERG "flags:0x%0*lx mapping:%p mapcount:%d count:%d\n",		(int)(2*sizeof(page_flags_t)), (unsigned long)page->flags,		page->mapping, page_mapcount(page), page_count(page));	printk(KERN_EMERG "Backtrace:\n");	dump_stack();	printk(KERN_EMERG "Trying to fix it up, but a reboot is needed\n");	page->flags &= ~(1 << PG_lru	|			1 << PG_private |			1 << PG_locked	|			1 << PG_active	|			1 << PG_dirty	|			1 << PG_reclaim |			1 << PG_slab    |			1 << PG_swapcache |			1 << PG_writeback);	set_page_count(page, 0);	reset_page_mapcount(page);	page->mapping = NULL;	add_taint(TAINT_BAD_PAGE);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/b5810039a54e5babf428e9a1e89fc1940fabff11/page_alloc.c/clean/mm/page_alloc.c