diff options
| author | Mike Travis <travis@sgi.com> | 2008-12-16 17:33:51 -0800 |
|---|---|---|
| committer | Mike Travis <travis@sgi.com> | 2008-12-16 17:40:55 -0800 |
| commit | 36f5101a60de8f79c0d1ca06e50660bf5129e02c (patch) | |
| tree | 5476f291ff57f1e5873e207cd70134f67911573b /arch/x86/Kconfig | |
| parent | c8cae544bba6aee0f5cb0756dbab1a71d2c68737 (diff) | |
| download | linux-36f5101a60de8f79c0d1ca06e50660bf5129e02c.tar.gz | |
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: Mike Travis <travis@sgi.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Ingo Molnar <mingo@elte.hy>
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d99eeb7915c6..1fd44352f27c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -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" |