Similarly to x86, add MAXSMP that should help flush out problems with
vary large SMP and other values associated with very big systems.
Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
arch/powerpc/Kconfig | 8 ++++++++
arch/powerpc/platforms/Kconfig.cputype | 5 +++--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b8f6185d3998..d585fcfa456f 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -64,6 +64,13 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK
config NEED_PER_CPU_PAGE_FIRST_CHUNK
def_bool y if PPC64
+config MAXSMP
+ bool "Enable Maximum number of SMP Processors and NUMA Nodes"
+ depends on SMP && DEBUG_KERNEL && PPC_BOOK3S_64
+ help
+ Enable maximum number of CPUS and NUMA Nodes for this architecture.
+ If unsure, say N.
+
config NR_IRQS
int "Number of virtual interrupt numbers"
range 32 1048576
@@ -666,6 +673,7 @@ config NUMA
config NODES_SHIFT
int
+ default "10" if MAXSMP
default "8" if PPC64
default "4"
depends on NUMA
diff --git a/arch/powerpc/platforms/Kconfig.cputype
b/arch/powerpc/platforms/Kconfig.cputype
index a208997ade88..3fd6c1941151 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -476,8 +476,9 @@ config SMP
If you don't know what to do here, say N.
config NR_CPUS
- int "Maximum number of CPUs (2-8192)" if SMP
- range 2 8192 if SMP
+ int "Maximum number of CPUs (2-8192)" if SMP && !MAXSMP
+ range 2 16384 if SMP
+ default 16384 if MAXSMP
default "1" if !SMP
default "32" if PPC64
default "4"
--
2.23.0
