static void update_sysctl(void)
{
unsigned int cpus = min(num_online_cpus(), 8U);
- unsigned int factor = 1 + ilog2(cpus);
+ unsigned int factor;
+
+ switch (sysctl_sched_tunable_scaling) {
+ case SCHED_TUNABLESCALING_NONE:
+ factor = 1;
+ break;
+ case SCHED_TUNABLESCALING_LINEAR:
+ factor = cpus;
+ break;
+ case SCHED_TUNABLESCALING_LOG:
+ default:
+ factor = 1 + ilog2(cpus);
+ break;
+ }
#define SET_SYSCTL(name) \
(sysctl_##name = (factor) * normalized_sysctl_##name)