45 	unsigned long stack, sp;  in run_helper()  local
48 	stack = alloc_stack(0, __cant_sleep());  in run_helper()
49 	if (stack == 0)  in run_helper()
67 	sp = stack + UM_KERN_PAGE_SIZE - sizeof(void *);  in run_helper()
109 	free_stack(stack, 0);  in run_helper()
116 	unsigned long stack, sp;  in run_helper_thread()  local
119 	stack = alloc_stack(0, __cant_sleep());  in run_helper_thread()
120 	if (stack == 0)  in run_helper_thread()
123 	sp = stack + UM_KERN_PAGE_SIZE - sizeof(void *);  in run_helper_thread()
142 		free_stack(stack, 0);  in run_helper_thread()
144 		*stack_out = stack;  in run_helper_thread()