cpumask: tsk_cpumask for accessing the struct task_struct's cpus_allowed. This allows us to change the representation (to a dangling bitmap) without breaking all the callers: they can use tsk_cpumask() now and won't see a difference as the changes roll into linux-next. Signed-off-by: Rusty Russell --- include/linux/sched.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/sched.h b/include/linux/sched.h --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1401,6 +1401,9 @@ struct task_struct { unsigned long trace; #endif }; + +/* Future-safe accessor for struct task_struct's cpus_allowed. */ +#define tsk_cpumask(tsk) (&(tsk)->cpus_allowed) /* * Priority of a process goes from 0..MAX_PRIO-1, valid RT