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Currently there is only code to parse NUMA attributes on
sun4v/niagara systems, but later on we will add such parsing
for older systems.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Take a page from the powerpc folks and just calculate the
delay factor directly.
Since frequency scaling chips use a system-tick register,
the value is going to be the same system-wide.
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the system supports hypervisor based statistics, allow them to
be fetched, enabled, and disabled via sysfs.
Enable and disable via the boolean:
/sys/devices/systems/cpu/cpuN/mmustat_enable
Statistic values are provided under:
/sys/devices/systems/cpu/cpuN/mmu_status/
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cache sizes, udelay_val, and clock_tick.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Also, use per-cpu data for struct cpu. Calling kmalloc for
each cpu in topology_init() is just plain clumsy.
Signed-off-by: David S. Miller <davem@davemloft.net>
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