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arm64: wire frequency-invariant accounting support up to the task scheduler

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Commit dfbca41f34 ("sched: Optimize freq invariant accounting")
changed the wiring which now has to be done by associating
arch_scale_freq_capacity with the actual implementation provided
by the architecture.

Define arch_scale_freq_capacity to use the arch_topology "driver"
function topology_get_freq_scale() for the task scheduler's
frequency-invariant accounting instead of the default
arch_scale_freq_capacity() in kernel/sched/sched.h.

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Vincent Guittot <vincent.guittot@linaro.org>
Tested-by: Juri Lelli <juri.lelli@arm.com>
Reviewed-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Dietmar Eggemann 2017-09-26 17:41:14 +01:00 committed by Rafael J. Wysocki
parent 552c4653bf
commit 4e63ebe50d
1 changed files with 5 additions and 0 deletions
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5
arch/arm64/include/asm/topology.h
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@ -32,6 +32,11 @@ int pcibus_to_node(struct pci_bus *bus);
#endif /* CONFIG_NUMA */
#include <linux/arch_topology.h>
/* Replace task scheduler's default frequency-invariant accounting */
#define arch_scale_freq_capacity topology_get_freq_scale
#include <asm-generic/topology.h>
#endif /* _ASM_ARM_TOPOLOGY_H */