Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=36f510...
Commit: 36f5101a60de8f79c0d1ca06e50660bf5129e02c
Parent: c8cae544bba6aee0f5cb0756dbab1a71d2c68737
Author: Mike Travis <travis@sgi.com>
AuthorDate: Tue Dec 16 17:33:51 2008 -0800
Committer: Mike Travis <travis@sgi.com>
CommitDate: Tue Dec 16 17:40:55 2008 -0800
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>
---
arch/x86/Kconfig | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d99eeb7..1fd4435 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"
--
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