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Save the best performance access attributes and register these with the memory's node if HMAT provides the locality table. While HMAT does make it possible to know performance for all possible initiator-target pairings, we export only the local pairings at this time. Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Tested-by: Brice Goglin <Brice.Goglin@inria.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
12 lines
415 B
Plaintext
12 lines
415 B
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config ACPI_HMAT
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bool "ACPI Heterogeneous Memory Attribute Table Support"
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depends on ACPI_NUMA
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select HMEM_REPORTING
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help
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If set, this option has the kernel parse and report the
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platform's ACPI HMAT (Heterogeneous Memory Attributes Table),
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register memory initiators with their targets, and export
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performance attributes through the node's sysfs device if
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provided.
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