commit 421c175c4d609864350df495b34d3e99f9fb1bdd
author Heiko Carstens <heiko.carstens@de.ibm.com> Mon Jul 14 09:59:18 2008 +0200
committer Heiko Carstens <heiko.carstens@de.ibm.com> Mon Jul 14 10:02:16 2008 +0200
tree ea3ade04452a6a6c578ae7895b5451c1bf231bc9
parent 0788fea4d583a3b7d199696819940ff3387d79a3

[S390] Add support for memory hot-add.

Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/Kconfig

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 6d0d3165..5dc8f80 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -313,6 +313,10 @@
 config ARCH_SELECT_MEMORY_MODEL
        def_bool y
 
+config ARCH_ENABLE_MEMORY_HOTPLUG
+	def_bool y
+	depends on SPARSEMEM
+
 source "mm/Kconfig"
 
 comment "I/O subsystem configuration"