Re: [PATCH 3/3] powerpc: Update NUMA Kconfig description & help text
From: Randy Dunlap <hidden>
Date: 2020-11-24 19:54:12
On 11/24/20 4:05 AM, Michael Ellerman wrote:
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 <redacted> Thanks.
quoted hunk ↗ jump to hunk
--- arch/powerpc/Kconfig | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)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
-- ~Randy