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>
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 8d11bab..373cd5b 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -373,14 +373,14 @@
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
