[PATCH] autofs4: need to invalidate children on tree mount expire

[linux-2.6-omap-h63xx.git] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index 21eb51d4da8fde9e987f22618bbdd609a8065116..66e65ab3942651e86f2fbbadcf914fd600e41600 100644 (file)
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -11,7 +11,7 @@ choice
 
 config FLATMEM_MANUAL
        bool "Flat Memory"
-       depends on !ARCH_DISCONTIGMEM_ENABLE || ARCH_FLATMEM_ENABLE
+       depends on !(ARCH_DISCONTIGMEM_ENABLE || ARCH_SPARSEMEM_ENABLE) || ARCH_FLATMEM_ENABLE
        help
          This option allows you to change some of the ways that
          Linux manages its memory internally.  Most users will
@@ -132,3 +132,16 @@ config SPLIT_PTLOCK_CPUS
        default "4096" if ARM && !CPU_CACHE_VIPT
        default "4096" if PARISC && !PA20
        default "4"
+
+#
+# support for page migration
+#
+config MIGRATION
+       bool "Page migration"
+       def_bool y
+       depends on NUMA
+       help
+         Allows the migration of the physical location of pages of processes
+         while the virtual addresses are not changed. This is useful for
+         example on NUMA systems to put pages nearer to the processors accessing
+         the page.