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arm64: make Timer Interrupt Frequency selectable
It allows a selectable timer interrupt frequency of 100, 250, 300 and 1000 HZ. We will get better performance when choose a suitable frequency in some scene. Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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@ -454,10 +454,7 @@ config HOTPLUG_CPU
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can be controlled through /sys/devices/system/cpu.
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source kernel/Kconfig.preempt
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config HZ
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int
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default 100
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source kernel/Kconfig.hz
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config ARCH_HAS_HOLES_MEMORYMODEL
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def_bool y if SPARSEMEM
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