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Ralf Baechleae6aafe2005-02-06 21:55:49 +00001#config SGI_SN0_XXL
2# bool "IP27 XXL"
3# depends on SGI_IP27
Lucas De Marchi25985ed2011-03-30 22:57:33 -03004# This options adds support for userspace processes up to 16TB size.
Ralf Baechleae6aafe2005-02-06 21:55:49 +00005# Normally the limit is just .5TB.
6
Ralf Baechlef456aca2006-06-14 08:10:35 +01007choice
8 prompt "Node addressing mode"
9 depends on SGI_IP27
10 default SGI_SN_M_MODE
11
12config SGI_SN_M_MODE
13 bool "IP27 M-Mode"
14 help
15 The nodes of Origin, Onyx, Fuel and Tezro systems can be configured
16 in either N-Modes which allows for more nodes or M-Mode which allows
17 for more memory. Your hardware is almost certainly running in
18 M-Mode, so choose M-mode here.
19
Ralf Baechleaa9772e2006-06-12 00:55:14 +010020config SGI_SN_N_MODE
Ralf Baechleae6aafe2005-02-06 21:55:49 +000021 bool "IP27 N-Mode"
Ralf Baechlef456aca2006-06-14 08:10:35 +010022 depends on EXPERIMENTAL
Ralf Baechleae6aafe2005-02-06 21:55:49 +000023 help
Ralf Baechlef456aca2006-06-14 08:10:35 +010024 The nodes of Origin, Onyx, Fuel and Tezro systems can be configured
25 in either N-Modes which allows for more nodes or M-Mode which allows
26 for more memory. Your hardware is almost certainly running in
27 M-Mode, so choose M-mode here.
28
29endchoice
Ralf Baechleae6aafe2005-02-06 21:55:49 +000030
Ralf Baechleae6aafe2005-02-06 21:55:49 +000031config MAPPED_KERNEL
32 bool "Mapped kernel support"
33 depends on SGI_IP27
34 help
35 Change the way a Linux kernel is loaded into memory on a MIPS64
Ralf Baechlee73ea272006-06-04 11:51:46 +010036 machine. This is required in order to support text replication on
Ralf Baechleae6aafe2005-02-06 21:55:49 +000037 NUMA. If you need to understand it, read the source code.
38
39config REPLICATE_KTEXT
40 bool "Kernel text replication support"
41 depends on SGI_IP27
Ralf Baechlee73ea272006-06-04 11:51:46 +010042 select MAPPED_KERNEL
Ralf Baechleae6aafe2005-02-06 21:55:49 +000043 help
44 Say Y here to enable replicating the kernel text across multiple
45 nodes in a NUMA cluster. This trades memory for speed.
46
47config REPLICATE_EXHANDLERS
48 bool "Exception handler replication support"
49 depends on SGI_IP27
50 help
51 Say Y here to enable replicating the kernel exception handlers
52 across multiple nodes in a NUMA cluster. This trades memory for
53 speed.