X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=mm%2FKconfig;h=332f5c29b53a3c04665e4d727fc50dbfde609fb2;hb=3a15e2ab5d6e79a79291734ac24f33d51c0ae389;hp=a9cb80ae6409df599cc3823a7a072a158c41112c;hpb=b8c475be7bf9b79e6417c08d7a921b2e8cb04258;p=linux-2.6-omap-h63xx.git

diff --git a/mm/Kconfig b/mm/Kconfig
index a9cb80ae640..332f5c29b53 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -137,5 +137,11 @@ config SPLIT_PTLOCK_CPUS
 # support for page migration
 #
 config MIGRATION
-	def_bool y if NUMA || SPARSEMEM || DISCONTIGMEM
-	depends on SWAP
+	bool "Page migration"
+	def_bool y if NUMA
+	depends on SWAP && 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.