blob: 4d8705a65e4a3b10cbc8c516755bdc7e5b0ab4b0 [file] [log] [blame]
Ralf Baechlef456aca2006-06-14 08:10:35 +01001choice
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
Ralf Baechleaa9772e2006-06-12 00:55:14 +010014config SGI_SN_N_MODE
Ralf Baechleae6aafe2005-02-06 21:55:49 +000015 bool "IP27 N-Mode"
Ralf Baechleae6aafe2005-02-06 21:55:49 +000016 help
Ralf Baechlef456aca2006-06-14 08:10:35 +010017 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
Ralf Baechleae6aafe2005-02-06 21:55:49 +000023
Ralf Baechleae6aafe2005-02-06 21:55:49 +000024config 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
Ralf Baechlee73ea272006-06-04 11:51:46 +010029 machine. This is required in order to support text replication on
Ralf Baechleae6aafe2005-02-06 21:55:49 +000030 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
Ralf Baechlee73ea272006-06-04 11:51:46 +010035 select MAPPED_KERNEL
Ralf Baechleae6aafe2005-02-06 21:55:49 +000036 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.