virtio-mem: factor out calculation of the bit number within the subblock bitmap

The calculation is already complicated enough, let's limit it to one
location.

Reviewed-by: Wei Yang <[email protected]>
Reviewed-by: Pankaj Gupta <[email protected]>
Cc: "Michael S. Tsirkin" <[email protected]>
Cc: Jason Wang <[email protected]>
Cc: Pankaj Gupta <[email protected]>
Signed-off-by: David Hildenbrand <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Michael S. Tsirkin <[email protected]>

0 files changed, 0 insertions, 0 deletions