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