1# SPDX-License-Identifier: GPL-2.0 2choice 3 prompt "Node addressing mode" 4 depends on SGI_IP27 5 default SGI_SN_M_MODE 6 7config SGI_SN_M_MODE 8 bool "IP27 M-Mode" 9 help 10 The nodes of Origin, Onyx, Fuel and Tezro systems can be configured 11 in either N-Modes which allows for more nodes or M-Mode which allows 12 for more memory. Your hardware is almost certainly running in 13 M-Mode, so choose M-mode here. 14 15config SGI_SN_N_MODE 16 bool "IP27 N-Mode" 17 help 18 The nodes of Origin, Onyx, Fuel and Tezro systems can be configured 19 in either N-Modes which allows for more nodes or M-Mode which allows 20 for more memory. Your hardware is almost certainly running in 21 M-Mode, so choose M-mode here. 22 23endchoice 24 25config MAPPED_KERNEL 26 bool "Mapped kernel support" 27 depends on SGI_IP27 28 help 29 Change the way a Linux kernel is loaded into memory on a MIPS64 30 machine. This is required in order to support text replication on 31 NUMA. If you need to understand it, read the source code. 32 33config REPLICATE_KTEXT 34 bool "Kernel text replication support" 35 depends on SGI_IP27 36 select MAPPED_KERNEL 37 help 38 Say Y here to enable replicating the kernel text across multiple 39 nodes in a NUMA cluster. This trades memory for speed. 40 41config REPLICATE_EXHANDLERS 42 bool "Exception handler replication support" 43 depends on SGI_IP27 44 help 45 Say Y here to enable replicating the kernel exception handlers 46 across multiple nodes in a NUMA cluster. This trades memory for 47 speed. 48