Messages in this thread Patch in this message | | | From | Hoan Tran <> | Subject | [PATCH] arm64: Kconfig: Enable NODES_SPAN_OTHER_NODES config for NUMA | Date | Mon, 3 Feb 2020 11:55:14 -0800 |
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Some NUMA nodes have memory ranges that span other nodes. Even though a pfn is valid and between a node's start and end pfns, it may not reside on that node.
This patch enables NODES_SPAN_OTHER_NODES config for NUMA to support this type of NUMA layout.
Signed-off-by: Hoan Tran <Hoan@os.amperecomputing.com> --- arch/arm64/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e688dfa..939d28f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -959,6 +959,13 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK config HOLES_IN_ZONE def_bool y +# Some NUMA nodes have memory ranges that span other nodes. +# Even though a pfn is valid and between a node's start and end pfns, +# it may not reside on that node. +config NODES_SPAN_OTHER_NODES + def_bool y + depends on ACPI_NUMA + source "kernel/Kconfig.hz" config ARCH_SUPPORTS_DEBUG_PAGEALLOC -- 1.8.3.1
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