diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-09-05 18:56:57 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-09-05 18:56:57 +0200 |
commit | 616ad8c44281c0c6711a72b560e01ec335ff27e0 (patch) | |
tree | 0a20453ffedb09db6fb41a0c2208ccc2c7751d3a /arch/x86/Kconfig | |
parent | 99809963c99e1ed868d9ebeb4a5e7ee1cbe0309f (diff) | |
parent | b380b0d4f7dffcc235c0facefa537d4655619101 (diff) |
Merge branch 'linus' into x86/defconfig
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r-- | arch/x86/Kconfig | 37 |
1 files changed, 11 insertions, 26 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index e2305c7d881..962388cffa8 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -22,7 +22,6 @@ config X86 select HAVE_IDE select HAVE_OPROFILE select HAVE_IOREMAP_PROT - select HAVE_GET_USER_PAGES_FAST select HAVE_KPROBES select ARCH_WANT_OPTIONAL_GPIOLIB select HAVE_KRETPROBES @@ -578,35 +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" @@ -952,9 +945,9 @@ config NUMA local memory controller of the CPU and add some more NUMA awareness to the kernel. - For i386 this is currently highly experimental and should be only + For 32-bit this is currently highly experimental and should be only used for kernel development. It might also cause boot failures. - For x86_64 this is recommended on all multiprocessor Opteron systems. + For 64-bit this is recommended on all multiprocessor Opteron systems. If the system is EM64T, you should say N unless your system is EM64T NUMA. @@ -997,17 +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" @@ -1015,7 +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 @@ -1264,7 +1249,7 @@ config KEXEC strongly in flux, so no good recommendation can be made. config CRASH_DUMP - bool "kernel crash dumps (EXPERIMENTAL)" + bool "kernel crash dumps" depends on X86_64 || (X86_32 && HIGHMEM) help Generate crash dump after being started by kexec. |