diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 4d688b42635361085233e0c4e798cb9e6d50fe40..7f4995b245a33048a0d6d3b2e4fe6449cbfef701 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