21 static unsigned long compute_size(unsigned long start, unsigned long size, unsigned long *offset)  in compute_size()  argument
24 	unsigned long end = start + size;  in compute_size()
30 		size = end - fault_addr;  in compute_size()
32 	return size;  in compute_size()
35 unsigned long copy_from_user_fixup(void *to, const void __user *from, unsigned long size)  in copy_from_user_fixup()  argument
39 	size = compute_size((unsigned long) from, size, &offset);  in copy_from_user_fixup()
40 	if (likely(size))  in copy_from_user_fixup()
41 		memset(to + offset, 0, size);  in copy_from_user_fixup()
43 	return size;  in copy_from_user_fixup()
47 unsigned long copy_to_user_fixup(void __user *to, const void *from, unsigned long size)  in copy_to_user_fixup()  argument
51 	return compute_size((unsigned long) to, size, &offset);  in copy_to_user_fixup()
55 unsigned long copy_in_user_fixup(void __user *to, void __user *from, unsigned long size)  in copy_in_user_fixup()  argument
59 	unsigned long end = start + size;  in copy_in_user_fixup()
65 	end = start + size;  in copy_in_user_fixup()
69 	return size;  in copy_in_user_fixup()