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| author | Paul Mackerras <paulus@samba.org> | 2008-09-10 11:36:13 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-09-10 11:36:13 +1000 |
| commit | 7e392f8c29ee045c6a29d50193d2fb10712eceb0 (patch) | |
| tree | c84097fe644c50c82f087ab7fa2d75167b8c0e16 /arch/x86/Kconfig | |
| parent | 7713fef06517d216f96ee7c8ad750e72bc08d38f (diff) | |
| parent | 93811d94f7e9bcfeed7d6ba75ea5d9c80a70ab95 (diff) | |
| download | blackbird-op-linux-7e392f8c29ee045c6a29d50193d2fb10712eceb0.tar.gz blackbird-op-linux-7e392f8c29ee045c6a29d50193d2fb10712eceb0.zip | |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 68d91c8233f4..ed92864d1325 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -577,35 +577,29 @@ config SWIOTLB config IOMMU_HELPER def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU) + config MAXSMP bool "Configure Maximum number of SMP Processors and NUMA Nodes" - depends on X86_64 && SMP + depends on X86_64 && SMP && BROKEN default n help Configure maximum number of CPUS and NUMA Nodes for this architecture. If unsure, say N. -if MAXSMP -config NR_CPUS - int - default "4096" -endif - -if !MAXSMP config NR_CPUS - int "Maximum number of CPUs (2-4096)" - range 2 4096 + int "Maximum number of CPUs (2-512)" if !MAXSMP + range 2 512 depends on SMP + default "4096" if MAXSMP default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000 default "8" help This allows you to specify the maximum number of CPUs which this - kernel will support. The maximum supported value is 4096 and the + kernel will support. The maximum supported value is 512 and the minimum value which makes sense is 2. This is purely to save memory - each supported CPU adds approximately eight kilobytes to the kernel image. -endif config SCHED_SMT bool "SMT (Hyperthreading) scheduler support" @@ -996,17 +990,10 @@ config NUMA_EMU into virtual nodes when booted with "numa=fake=N", where N is the number of nodes. This is only useful for debugging. -if MAXSMP - config NODES_SHIFT - int - default "9" -endif - -if !MAXSMP -config NODES_SHIFT - int "Maximum NUMA Nodes (as a power of 2)" + int "Maximum NUMA Nodes (as a power of 2)" if !MAXSMP range 1 9 if X86_64 + default "9" if MAXSMP default "6" if X86_64 default "4" if X86_NUMAQ default "3" @@ -1014,7 +1001,6 @@ config NODES_SHIFT help Specify the maximum number of NUMA Nodes available on the target system. Increases memory reserved to accomodate various tables. -endif config HAVE_ARCH_BOOTMEM_NODE def_bool y |
