From 118bcd31b309d12638f67729d5d96d4974750249 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 21 Feb 2007 10:55:12 +0100
Subject: [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 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'arch/s390/Kconfig')

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index eaaac378811..d9425f59be9 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -8,8 +8,8 @@ config MMU
 	default y
 
 config ZONE_DMA
-	bool
-	default y
+	def_bool y
+	depends on 64BIT
 
 config LOCKDEP_SUPPORT
 	bool
-- 
cgit