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authorMichael Ellerman <mpe@ellerman.id.au>2020-11-24 23:05:47 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2020-12-04 01:01:09 +1100
commitbae80c27fc2195b9e5723d7b05c592e0874f4ba9 (patch)
tree324f410688f476edb1f999b265ca950b6f6a7a23
parent4c28b32b886f1489c5f510ed8e3f0c4e3dcb59f5 (diff)
powerpc: Update NUMA Kconfig description & help text
Update the NUMA Kconfig description to match other architectures, and add some help text. Shamelessly borrowed from x86/arm64. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20201124120547.1940635-3-mpe@ellerman.id.au
-rw-r--r--arch/powerpc/Kconfig8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 4d688b426353..7f4995b245a3 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -659,9 +659,15 @@ config IRQ_ALL_CPUS
reported with SMP Power Macintoshes with this option enabled.
config NUMA
- bool "NUMA support"
+ bool "NUMA Memory Allocation and Scheduler Support"
depends on PPC64 && SMP
default y if PPC_PSERIES || PPC_POWERNV
+ help
+ Enable NUMA (Non-Uniform Memory Access) support.
+
+ The kernel will try to allocate memory used by a CPU on the
+ local memory controller of the CPU and add some more
+ NUMA awareness to the kernel.
config NODES_SHIFT
int