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Commit 36f5101a authored by Mike Travis's avatar Mike Travis
Browse files

x86: enable MAXSMP 



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: default avatarMike Travis <travis@sgi.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
Acked-by: default avatarIngo Molnar <mingo@elte.hy>
parent c8cae544

arch/x86/Kconfig

+4 −3
Original line number Diff line number Diff line
@@ -591,16 +591,17 @@ config IOMMU_HELPER 


config MAXSMP

	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

	help

	  Configure maximum number of CPUS and NUMA Nodes for this architecture.

	  If unsure, say N.



config NR_CPUS

	int "Maximum number of CPUs (2-512)" if !MAXSMP

	range 2 512

	depends on SMP

	int "Maximum number of CPUs" if SMP && !MAXSMP

	range 2 512 if SMP && !MAXSMP

	default "4096" if MAXSMP

	default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000

	default "8"