|  | /* | 
|  | * List of cgroup subsystems. | 
|  | * | 
|  | * DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS. | 
|  | */ | 
|  | #if IS_ENABLED(CONFIG_CPUSETS) | 
|  | SUBSYS(cpuset) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_CGROUP_SCHED) | 
|  | SUBSYS(cpu) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_CGROUP_CPUACCT) | 
|  | SUBSYS(cpuacct) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_MEMCG) | 
|  | SUBSYS(memory) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_CGROUP_DEVICE) | 
|  | SUBSYS(devices) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_CGROUP_FREEZER) | 
|  | SUBSYS(freezer) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_CGROUP_NET_CLASSID) | 
|  | SUBSYS(net_cls) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_BLK_CGROUP) | 
|  | SUBSYS(blkio) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_CGROUP_PERF) | 
|  | SUBSYS(perf_event) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_CGROUP_NET_PRIO) | 
|  | SUBSYS(net_prio) | 
|  | #endif | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_CGROUP_HUGETLB) | 
|  | SUBSYS(hugetlb) | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | * The following subsystems are not supported on the default hierarchy. | 
|  | */ | 
|  | #if IS_ENABLED(CONFIG_CGROUP_DEBUG) | 
|  | SUBSYS(debug) | 
|  | #endif | 
|  | /* | 
|  | * DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS. | 
|  | */ |