MHUV2_STAT_BYTES
msg = kzalloc(sizeof(*msg) + windows * MHUV2_STAT_BYTES, GFP_KERNEL);
msg->len = windows * MHUV2_STAT_BYTES;
#define MHUV2_STAT_BITS (MHUV2_STAT_BYTES * __CHAR_BIT__)
bytes_in_round = min(bytes_left, (int)(windows * MHUV2_STAT_BYTES));
if (unlikely(bytes_in_round <= i * MHUV2_STAT_BYTES))
bytes_to_send = bytes_in_round & (MHUV2_STAT_BYTES - 1);
bytes_to_send = MHUV2_STAT_BYTES;