[PATCH 4/4] nvme-pci: implement host memory buffer support

[Sagi Grimberg]

> +	dev_info(dev->ctrl.device,
> +		"allocated %lld MiB host memory buffer.\n", size / 1024 / 1024);

super-nit: SZ_1M

Looks good,

Reviewed-by: Sagi Grimberg <sagi at grimberg.me>