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authorChristoph Lameter <clameter@engr.sgi.com>2006-01-08 01:00:49 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:12:41 -0800
commit7cbe34cf86c673503b177ff47cfa2c7030dabb50 (patch)
tree9b39d7e8f11fed68242d1cb1f0c85dfcf96e3250 /mm/Kconfig
parent49d2e9cc4544369635cd6f4ef6d5bb0f757079a7 (diff)
downloadop-kernel-dev-7cbe34cf86c673503b177ff47cfa2c7030dabb50.zip
op-kernel-dev-7cbe34cf86c673503b177ff47cfa2c7030dabb50.tar.gz
[PATCH] Swap Migration V5: Add CONFIG_MIGRATION for page migration support
Include page migration if the system is NUMA or having a memory model that allows distinct areas of memory (SPARSEMEM, DISCONTIGMEM). And: - Only include lru_add_drain_per_cpu if building for an SMP system. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/Kconfig')
-rw-r--r--mm/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index b3db11f..a9cb80a 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -132,3 +132,10 @@ config SPLIT_PTLOCK_CPUS
default "4096" if ARM && !CPU_CACHE_VIPT
default "4096" if PARISC && !PA20
default "4"
+
+#
+# support for page migration
+#
+config MIGRATION
+ def_bool y if NUMA || SPARSEMEM || DISCONTIGMEM
+ depends on SWAP
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