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| author |   Ingo Molnar <mingo@elte.hu> | 2008-09-19 09:15:50 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-19 09:15:50 +0200 |
| commit | 5e51900be6c15488b80343d3c3e62d4d605ba9a9 (patch) | |
| tree | 99e60bbc949e066503b598893998286c8a42861d /arch/x86/Kconfig | |
| parent | x86 setup: drop SWAP_DEV (diff) | |
| parent | Linux 2.6.27-rc6 (diff) | |
| download | linux-dev-5e51900be6c15488b80343d3c3e62d4d605ba9a9.tar.xz linux-dev-5e51900be6c15488b80343d3c3e62d4d605ba9a9.zip | |
Merge commit 'v2.6.27-rc6' into x86/cleanups
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 4c1475119cef..8e5e45a265d4 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 |