commit 118bcd31b309d12638f67729d5d96d4974750249
author Heiko Carstens <heiko.carstens@de.ibm.com> Wed Feb 21 10:55:12 2007 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> Wed Feb 21 10:55:12 2007 +0100
tree f6bcceeada38052b47fe6b5b93348bc615468c19
parent 63db6e8d41c703c26a3ce767740a9c8484765a74

[S390] Optional ZONE_DMA for s390.

Disable ZONE_DMA on 31-bit. All memory is addressable by all
devices and we do not need any special memory pool.

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 eaaac37..d9425f5 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -8,8 +8,8 @@
 	default y
 
 config ZONE_DMA
-	bool
-	default y
+	def_bool y
+	depends on 64BIT
 
 config LOCKDEP_SUPPORT
 	bool