diff options
| -rw-r--r-- | include/linux/cgroup.h | 4 | ||||
| -rw-r--r-- | include/linux/cgroup_subsys.h | 24 | ||||
| -rw-r--r-- | kernel/cgroup.c | 1 |
3 files changed, 17 insertions, 12 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 1916cdb071dc..a5ab5651441b 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -46,10 +46,12 @@ extern const struct file_operations proc_cgroup_operations; /* Define the enumeration of all builtin cgroup subsystems */ #define SUBSYS(_x) _x ## _subsys_id, +#define IS_SUBSYS_ENABLED(option) IS_BUILTIN(option) enum cgroup_subsys_id { #include <linux/cgroup_subsys.h> __CGROUP_TEMPORARY_PLACEHOLDER }; +#undef IS_SUBSYS_ENABLED #undef SUBSYS /* * This define indicates the maximum number of subsystems that can be loaded @@ -528,7 +530,9 @@ struct cgroup_subsys { }; #define SUBSYS(_x) extern struct cgroup_subsys _x ## _subsys; +#define IS_SUBSYS_ENABLED(option) IS_BUILTIN(option) #include <linux/cgroup_subsys.h> +#undef IS_SUBSYS_ENABLED #undef SUBSYS static inline struct cgroup_subsys_state *cgroup_subsys_state( diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h index dfae957398c3..f204a7a9cf38 100644 --- a/include/linux/cgroup_subsys.h +++ b/include/linux/cgroup_subsys.h @@ -7,73 +7,73 @@ /* */ -#ifdef CONFIG_CPUSETS +#if IS_SUBSYS_ENABLED(CONFIG_CPUSETS) SUBSYS(cpuset) #endif /* */ -#ifdef CONFIG_CGROUP_DEBUG +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_DEBUG) SUBSYS(debug) #endif /* */ -#ifdef CONFIG_CGROUP_SCHED +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_SCHED) SUBSYS(cpu_cgroup) #endif /* */ -#ifdef CONFIG_CGROUP_CPUACCT +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_CPUACCT) SUBSYS(cpuacct) #endif /* */ -#ifdef CONFIG_MEMCG +#if IS_SUBSYS_ENABLED(CONFIG_MEMCG) SUBSYS(mem_cgroup) #endif /* */ -#ifdef CONFIG_CGROUP_DEVICE +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_DEVICE) SUBSYS(devices) #endif /* */ -#ifdef CONFIG_CGROUP_FREEZER +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_FREEZER) SUBSYS(freezer) #endif /* */ -#ifdef CONFIG_NET_CLS_CGROUP +#if IS_SUBSYS_ENABLED(CONFIG_NET_CLS_CGROUP) SUBSYS(net_cls) #endif /* */ -#ifdef CONFIG_BLK_CGROUP +#if IS_SUBSYS_ENABLED(CONFIG_BLK_CGROUP) SUBSYS(blkio) #endif /* */ -#ifdef CONFIG_CGROUP_PERF +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_PERF) SUBSYS(perf) #endif /* */ -#ifdef CONFIG_NETPRIO_CGROUP +#if IS_SUBSYS_ENABLED(CONFIG_NETPRIO_CGROUP) SUBSYS(net_prio) #endif /* */ -#ifdef CONFIG_CGROUP_HUGETLB +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_HUGETLB) SUBSYS(hugetlb) #endif diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 1b18090269ad..95e9f3fdb729 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -93,6 +93,7 @@ static DEFINE_MUTEX(cgroup_root_mutex); * cgroup_mutex. */ #define SUBSYS(_x) &_x ## _subsys, +#define IS_SUBSYS_ENABLED(option) IS_BUILTIN(option) static struct cgroup_subsys *subsys[CGROUP_SUBSYS_COUNT] = { #include <linux/cgroup_subsys.h> }; |