Author: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> The macro DIV_ROUND_UP performs the computation (((n) + (d) – 1) /(d)). It clarifies the divisor calculations. This was done using the coccinelle script: @@ expression e1; expression e2; @@ ( – ((e1) + e2 – 1) / (e2) + DIV_ROUND_UP(e1,e2) | – ((e1) + (e2 – 1)) / (e2) + …