53 	/* It would be nice not to have 'kstack_ptr' and 'boundary' on stack */  in stackleak_erase()
55 	unsigned long boundary = (unsigned long)end_of_stack(current);  in stackleak_erase()  local
63 	if (unlikely(kstack_ptr - boundary >= THREAD_SIZE))  in stackleak_erase()
64 		kstack_ptr = boundary;  in stackleak_erase()
67 	while (kstack_ptr > boundary && poison_count <= depth) {  in stackleak_erase()
80 	if (kstack_ptr == boundary)  in stackleak_erase()
89 	 * 'kstack_ptr' and move up till the new 'boundary'. We assume that  in stackleak_erase()
93 		boundary = current_stack_pointer;  in stackleak_erase()
95 		boundary = current_top_of_stack();  in stackleak_erase()
97 	while (kstack_ptr < boundary) {  in stackleak_erase()
118 	/* 'lowest_stack' should be aligned on the register width boundary */  in stackleak_track_stack()