| # SPDX-License-Identifier: GPL-2.0 |
| choice |
| prompt "Node addressing mode" |
| depends on SGI_IP27 |
| default SGI_SN_M_MODE |
| |
| config SGI_SN_M_MODE |
| bool "IP27 M-Mode" |
| help |
| The nodes of Origin, Onyx, Fuel and Tezro systems can be configured |
| in either N-Modes which allows for more nodes or M-Mode which allows |
| for more memory. Your hardware is almost certainly running in |
| M-Mode, so choose M-mode here. |
| |
| config SGI_SN_N_MODE |
| bool "IP27 N-Mode" |
| help |
| The nodes of Origin, Onyx, Fuel and Tezro systems can be configured |
| in either N-Modes which allows for more nodes or M-Mode which allows |
| for more memory. Your hardware is almost certainly running in |
| M-Mode, so choose M-mode here. |
| |
| endchoice |
| |
| config MAPPED_KERNEL |
| bool "Mapped kernel support" |
| depends on SGI_IP27 |
| help |
| Change the way a Linux kernel is loaded into memory on a MIPS64 |
| machine. This is required in order to support text replication on |
| NUMA. If you need to understand it, read the source code. |
| |
| config REPLICATE_KTEXT |
| bool "Kernel text replication support" |
| depends on SGI_IP27 |
| select MAPPED_KERNEL |
| help |
| Say Y here to enable replicating the kernel text across multiple |
| nodes in a NUMA cluster. This trades memory for speed. |
| |
