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-rw-r--r--arch/riscv/Kconfig31
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 81b76d44725d..2ef05ef921b5 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -143,7 +143,7 @@ config PAGE_OFFSET
default 0xffffffe000000000 if 64BIT && MAXPHYSMEM_128GB
config ARCH_FLATMEM_ENABLE
- def_bool y
+ def_bool !NUMA
config ARCH_SPARSEMEM_ENABLE
def_bool y
@@ -298,6 +298,35 @@ config TUNE_GENERIC
endchoice
+# Common NUMA Features
+config NUMA
+ bool "NUMA Memory Allocation and Scheduler Support"
+ select GENERIC_ARCH_NUMA
+ select OF_NUMA
+ select ARCH_SUPPORTS_NUMA_BALANCING
+ help
+ Enable NUMA (Non-Uniform Memory Access) support.
+
+ The kernel will try to allocate memory used by a CPU on the
+ local memory of the CPU and add some more NUMA awareness to the kernel.
+
+config NODES_SHIFT
+ int "Maximum NUMA Nodes (as a power of 2)"
+ range 1 10
+ default "2"
+ depends on NEED_MULTIPLE_NODES
+ help
+ Specify the maximum number of NUMA Nodes available on the target
+ system. Increases memory reserved to accommodate various tables.
+
+config USE_PERCPU_NUMA_NODE_ID
+ def_bool y
+ depends on NUMA
+
+config NEED_PER_CPU_EMBED_FIRST_CHUNK
+ def_bool y
+ depends on NUMA
+
config RISCV_ISA_C
bool "Emit compressed instructions when building Linux"
default y