__kernel_size_t __clear_user_hexagon()

in mm/uaccess.c [22:37]


__kernel_size_t __clear_user_hexagon(void __user *dest, unsigned long count)
{
	long uncleared;

	while (count > PAGE_SIZE) {
		uncleared = raw_copy_to_user(dest, &empty_zero_page, PAGE_SIZE);
		if (uncleared)
			return count - (PAGE_SIZE - uncleared);
		count -= PAGE_SIZE;
		dest += PAGE_SIZE;
	}
	if (count)
		count = raw_copy_to_user(dest, &empty_zero_page, count);

	return count;
}