scx_hotplug_seq
atomic_long_inc(&scx_hotplug_seq);
return sysfs_emit(buf, "%ld\n", atomic_long_read(&scx_hotplug_seq));
global_hotplug_seq = atomic_long_read(&scx_hotplug_seq);
static atomic_long_t scx_hotplug_seq = ATOMIC_LONG_INIT(0);
__skel->struct_ops.__ops_name->hotplug_seq = scx_hotplug_seq(); \
SCX_ASSERT(scx_hotplug_seq() > 0);