x86: enable MAXSMP 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 Signed-off-by: Rusty Russell --- arch/x86/Kconfig | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff -r 7e9451dd070c arch/x86/Kconfig --- a/arch/x86/Kconfig Wed Oct 22 14:09:00 2008 +1100 +++ b/arch/x86/Kconfig Wed Oct 22 14:24:08 2008 +1100 @@ -572,17 +572,18 @@ 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 - default "4096" if MAXSMP + 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" help