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s390/smp: increase maximum value of NR_CPUS to 512 

With SMT we can have more than 256 CPUs. Let's make them available.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2015-01-28 16:52:01 +01:00 committed by Martin Schwidefsky
parent d5caa4dbf9
commit 5c75a0dac3
1 changed files with 3 additions and 3 deletions
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6
arch/s390/Kconfig
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@ -373,14 +373,14 @@ config SMP
Even if you don't know what to do here, say Y.
config NR_CPUS
int "Maximum number of CPUs (2-256)"
range 2 256
int "Maximum number of CPUs (2-512)"
range 2 512
depends on SMP
default "32" if !64BIT
default "64" if 64BIT
help
This allows you to specify the maximum number of CPUs which this
kernel will support. The maximum supported value is 256 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