if(atomic) flags |= GFP_ATOMIC; 
if (atomic) flags = GFP_ATOMIC; 
unsigned long alloc_stack(int order, int atomic){	unsigned long page;	int flags = GFP_KERNEL;	if(atomic) flags |= GFP_ATOMIC;	page = __get_free_pages(flags, order);	if(page == 0)		return(0);	stack_protections(page);	return(page);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/46db4a42dd1190a311c2fb45106dfd0842c65a94/process_kern.c/buggy/arch/um/kernel/process_kern.c