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