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.

 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