[RESEND PATCH v5 1/2] sched/deadline: Add cpudl_maximum_dl() for better readability

: [RESEND PATCH v5 1/2] sched/deadline: Add cpudl_maximum_dl() for better readability Current code uses cpudl_maximum() to get the root node's cpu, while it directly accesses the root node to get the root node's dl. It would be more readable and consistent between them if we provide the same

[PATCH v5 1/2] sched/deadline: Add cpudl_maximum_dl() for better readability

ATCH v5 1/2] sched/deadline: Add cpudl_maximum_dl() for better readability Current code uses cpudl_maximum() to get the root node's cpu, while it directly accesses the root node to get the root node's dl. It would be more readable and consistent between them if we provide the same way to