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i386: Mark NUMA support experimental 

I did some testing and found quite a lot of problems (doesn't
boot at all on non NUMA and misassigns cores on Opteron systems).

Mark it as experimental and warn against its use for now.

It's still default y for SUMMIT/NUMAQ because it'll presumably
work on these systems.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andi Kleen 2007-08-21 14:42:40 +02:00 committed by Linus Torvalds
parent 8eb891fc80
commit 36ce151411
1 changed files with 6 additions and 2 deletions
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arch/i386/Kconfig
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@ -614,10 +614,14 @@ config X86_PAE
# Common NUMA Features
config NUMA
bool "Numa Memory Allocation and Scheduler Support"
depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI)
bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL
default n if X86_PC
default y if (X86_NUMAQ || X86_SUMMIT)
help
NUMA support for i386. This is currently high experimental
and should be only used for kernel development. It might also
cause boot failures.
comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI)