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charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20201029060015epcas2p2c9969a6782d8214bcbefa36ffad8e10c References: To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To support NUMA systems whose physical address layout is not continuous on one node, nodes spanning other nodes feature is required. Signed-off-by: Janghyuck Kim --- arch/arm64/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 49b8d017cba6..18ff7ce9dd60 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1004,6 +1004,14 @@ 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. See memmap_init_zone() +# for details. +config NODES_SPAN_OTHER_NODES + depends on NUMA + source "kernel/Kconfig.hz" config ARCH_SUPPORTS_DEBUG_PAGEALLOC -- 2.28.0