From bae80c27fc2195b9e5723d7b05c592e0874f4ba9 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Tue, 24 Nov 2020 23:05:47 +1100 Subject: 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 Reviewed-by: Randy Dunlap Link: https://lore.kernel.org/r/20201124120547.1940635-3-mpe@ellerman.id.au --- arch/powerpc/Kconfig | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/Kconfig') 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 -- cgit v1.2.3