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| author | Paul Mundt <lethal@linux-sh.org> | 2007-06-06 17:52:19 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@hera.kernel.org> | 2007-06-08 02:43:49 +0000 |
| commit | b241cb0c885e55839fb0f93c6a4539c5416cc39f (patch) | |
| tree | dc12c8df833820d642b22d4a5f556602c3832dde /arch/sh/mm/Kconfig | |
| parent | 07cbb41b5308b92f29649254ff755e48ea60e24c (diff) | |
| download | linux-b241cb0c885e55839fb0f93c6a4539c5416cc39f.tar.bz2 | |
sh: Support for multiple nodes.
This adds basic support for multiple nodes on SH machines.
This is primarily useful for boards with many different
memory blocks that are otherwise unused (SH7722/SH7785 URAM
and so forth).
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/Kconfig')
| -rw-r--r-- | arch/sh/mm/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 955a851c0c75..8c5b73ab4772 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -293,6 +293,17 @@ config VSYSCALL For systems with an MMU that can afford to give up a page, (the default value) say Y. +config NUMA + bool "Non Uniform Memory Access (NUMA) Support" + depends on MMU && EXPERIMENTAL + default n + help + Some SH systems have many various memories scattered around + the address space, each with varying latencies. This enables + support for these blocks by binding them to nodes and allowing + memory policies to be used for prioritizing and controlling + allocation behaviour. + config NODES_SHIFT int default "1" |