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arm64: Enable frequency invariant scheduler load-tracking support

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Defines arch_scale_freq_capacity() to use cpufreq implementation.

Including <linux/cpufreq.h> in topology.h like for the arm arch doesn't
work because of CONFIG_COMPAT=y (Kernel support for 32-bit EL0).
That's why cpufreq_scale_freq_capacity() has to be declared extern in
topology.h.

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
This commit is contained in:
Dietmar Eggemann 2015-09-25 17:15:11 +01:00 • committed by Amit Pundir
parent ec2b699198
commit 777273b78e
1 changed files with 6 additions and 0 deletions
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6
arch/arm64/include/asm/topology.h
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@ -22,6 +22,12 @@ void init_cpu_topology(void);
void store_cpu_topology(unsigned int cpuid);
const struct cpumask *cpu_coregroup_mask(int cpu);
#ifdef CONFIG_CPU_FREQ
#define arch_scale_freq_capacity cpufreq_scale_freq_capacity
struct sched_domain;
extern unsigned long cpufreq_scale_freq_capacity(struct sched_domain *sd, int cpu);
#endif
#include <asm-generic/topology.h>
#endif /* _ASM_ARM_TOPOLOGY_H */