diff options
| -rw-r--r-- | arch/mips/mm/c-r4k.c | 5 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/Kconfig | 54 |
2 files changed, 56 insertions, 3 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 1466c497beab..726e899486a3 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1012,15 +1012,14 @@ static void __init probe_pcache(void) * with that for us so we don't need to take care ourselves. */ switch (c->cputype) { - if (c->dcache.waysize > PAGE_SIZE) - case CPU_R10000: case CPU_R12000: break; case CPU_24K: if (!(read_c0_config7() & (1 << 16))) default: - c->dcache.flags |= MIPS_CACHE_ALIASES; + if (c->dcache.waysize > PAGE_SIZE) + c->dcache.flags |= MIPS_CACHE_ALIASES; } switch (c->cputype) { diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig new file mode 100644 index 000000000000..7b0bc4437243 --- /dev/null +++ b/arch/mips/sgi-ip27/Kconfig @@ -0,0 +1,54 @@ +#config SGI_SN0_XXL +# bool "IP27 XXL" +# depends on SGI_IP27 +# This options adds support for userspace processes upto 16TB size. +# Normally the limit is just .5TB. + +config SGI_SN0_N_MODE + bool "IP27 N-Mode" + depends on SGI_IP27 + help + The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be + configured in either N-Modes which allows for more nodes or M-Mode + which allows for more memory. Your system is most probably + running in M-Mode, so you should say N here. + +config ARCH_DISCONTIGMEM_ENABLE + bool + default y if SGI_IP27 + help + Say Y to upport efficient handling of discontiguous physical memory, + for architectures which are either NUMA (Non-Uniform Memory Access) + or have huge holes in the physical address space for other reasons. + See <file:Documentation/vm/numa> for more. + +config NUMA + bool "NUMA Support" + depends on SGI_IP27 + help + Say Y to compile the kernel to support NUMA (Non-Uniform Memory + Access). This option is for configuring high-end multiprocessor + server machines. If in doubt, say N. + +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 and + NUMA. If you need to understand it, read the source code. + +config REPLICATE_KTEXT + bool "Kernel text replication support" + depends on SGI_IP27 + help + Say Y here to enable replicating the kernel text across multiple + nodes in a NUMA cluster. This trades memory for speed. + +config REPLICATE_EXHANDLERS + bool "Exception handler replication support" + depends on SGI_IP27 + help + Say Y here to enable replicating the kernel exception handlers + across multiple nodes in a NUMA cluster. This trades memory for + speed. |