hw/block/nvme.c: Use pow2ceil() rather than hand-calculation Use pow2ceil() to round up to the next power of 2, rather than an inline calculation. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1437741192-20955-4-git-send-email-peter.maydell@linaro.org