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ACPI / NUMA: move acpi_numa_slit_init() to drivers/acpi/numa.c

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Identical implementations of acpi_numa_slit_init() are used by both
x86 and follow-on arm64 support.  Move it to drivers/acpi/numa.c, and
guard with CONFIG_X86 || CONFIG_ARM64 because ia64 has its own
architecture specific implementation.

No code change.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Hanjun Guo
2016-05-24 15:35:35 -07:00
committed by Rafael J. Wysocki
parent 312521d054
commit 6525afdf53
2 changed files with 29 additions and 27 deletions
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27
arch/x86/mm/srat.c
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@@ -42,33 +42,6 @@ static __init inline int srat_disabled(void)
return acpi_numa < 0;
}
/*
* Callback for SLIT parsing. pxm_to_node() returns NUMA_NO_NODE for
* I/O localities since SRAT does not list them. I/O localities are
* not supported at this point.
*/
void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
{
int i, j;
for (i = 0; i < slit->locality_count; i++) {
const int from_node = pxm_to_node(i);
if (from_node == NUMA_NO_NODE)
continue;
for (j = 0; j < slit->locality_count; j++) {
const int to_node = pxm_to_node(j);
if (to_node == NUMA_NO_NODE)
continue;
numa_set_distance(from_node, to_node,
slit->entry[slit->locality_count * i + j]);
}
}
}
/* Callback for Proximity Domain -> x2APIC mapping */
void __init
acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa)