Release 4.15 include/linux/arch_topology.h

/* 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;
bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu);

DECLARE_PER_CPU(unsigned long, cpu_scale);

struct sched_domain;

static inline

unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu)
{
	return per_cpu(cpu_scale, cpu);
}

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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);
}

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#endif /* _LINUX_ARCH_TOPOLOGY_H_ */
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Directory: include/linux

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