ACPI / NUMA: Enable ACPI based NUMA on ARM64
Add function needed for cpu to node mapping, and enable ACPI based NUMA for ARM64 in Kconfig Signed-off-by: NHanjun Guo <hanjun.guo@linaro.org> Signed-off-by: NRobert Richter <rrichter@cavium.com> [david.daney@cavium.com added ACPI_NUMA default to y for ARM64] Signed-off-by: NDavid Daney <david.daney@cavium.com> Acked-by: NCatalin Marinas <catalin.marinas@arm.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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