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# SPDX-License-Identifier: GPL-2.0 choice prompt "Node addressing mode" depends on SGI_IP27 default SGI_SN_M_MODE config SGI_SN_M_MODE bool "IP27 M-Mode" help The nodes of Origin, Onyx, Fuel and Tezro systems can be configured in either N-Modes which allows for more nodes or M-Mode which allows for more memory. Your hardware is almost certainly running in M-Mode, so choose M-mode here. config SGI_SN_N_MODE bool "IP27 N-Mode" help The nodes of Origin, Onyx, Fuel and Tezro systems can be configured in either N-Modes which allows for more nodes or M-Mode which allows for more memory. Your hardware is almost certainly running in M-Mode, so choose M-mode here. endchoice config MAPPED_KERNEL bool "Mapped kernel support" depends on SGI_IP27 help Change the way a Linux kernel is loaded into memory on a MIPS64 machine. This is required in order to support text replication on NUMA. If you need to understand it, read the source code. config REPLICATE_KTEXT bool "Kernel text replication support" depends on SGI_IP27 select MAPPED_KERNEL help Say Y here to enable replicating the kernel text across multiple nodes in a NUMA cluster. This trades memory for speed.