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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.
- config REPLICATE_EXHANDLERS
- bool "Exception handler replication support"
- depends on SGI_IP27
- help
- Say Y here to enable replicating the kernel exception handlers
- across multiple nodes in a NUMA cluster. This trades memory for
- speed.
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