diff options
Diffstat (limited to 'include/linux/arch_topology.h')
| -rw-r--r-- | include/linux/arch_topology.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h index 9af3c174c03a..304511267c82 100644 --- a/include/linux/arch_topology.h +++ b/include/linux/arch_topology.h @@ -1,17 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * include/linux/arch_topology.h - arch specific cpu topology information */ #ifndef _LINUX_ARCH_TOPOLOGY_H_ #define _LINUX_ARCH_TOPOLOGY_H_ +#include <linux/types.h> +#include <linux/percpu.h> + void topology_normalize_cpu_scale(void); struct device_node; -int topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu); +bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu); + +DECLARE_PER_CPU(unsigned long, cpu_scale); struct sched_domain; -unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu); +static inline +unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu) +{ + return per_cpu(cpu_scale, cpu); +} void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity); +DECLARE_PER_CPU(unsigned long, freq_scale); + +static inline +unsigned long topology_get_freq_scale(struct sched_domain *sd, int cpu) +{ + return per_cpu(freq_scale, cpu); +} + #endif /* _LINUX_ARCH_TOPOLOGY_H_ */ |