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authorPaul Mundt <lethal@linux-sh.org>2007-06-06 17:52:19 +0900
committerPaul Mundt <lethal@hera.kernel.org>2007-06-08 02:43:49 +0000
commitb241cb0c885e55839fb0f93c6a4539c5416cc39f (patch)
treedc12c8df833820d642b22d4a5f556602c3832dde /arch/sh/mm/Kconfig
parent07cbb41b5308b92f29649254ff755e48ea60e24c (diff)
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/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 955a851c0c7..8c5b73ab477 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"