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x86: enable MAXSMP

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Impact: activates new off-stack cpumask code on MAXSMP (non-default) x86 configs

Set MAXSMP to enable CONFIG_CPUMASK_OFFSTACK which moves cpumask's off
the stack (and in structs) when using cpumask_var_t.

Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Ingo Molnar <mingo@elte.hy>
This commit is contained in:
Mike Travis
2008-12-16 17:33:51 -08:00
parent c8cae544bb
commit 36f5101a60
1 changed files with 4 additions and 3 deletions
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7
arch/x86/Kconfig
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@ -591,16 +591,17 @@ config IOMMU_HELPER
config MAXSMP config MAXSMP
bool "Configure Maximum number of SMP Processors and NUMA Nodes" bool "Configure Maximum number of SMP Processors and NUMA Nodes"
depends on X86_64 && SMP && BROKEN depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL
select CPUMASK_OFFSTACK
default n default n
help help
Configure maximum number of CPUS and NUMA Nodes for this architecture. Configure maximum number of CPUS and NUMA Nodes for this architecture.
If unsure, say N. If unsure, say N.
config NR_CPUS config NR_CPUS
int "Maximum number of CPUs (2-512)" if !MAXSMP
range 2 512
depends on SMP depends on SMP
int "Maximum number of CPUs" if SMP && !MAXSMP
range 2 512 if SMP && !MAXSMP
default "4096" if MAXSMP default "4096" if MAXSMP
default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000 default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
default "8" default "8"