linux-kernel - [PATCH] UniCore32 bugfix: add missed CONFIG_ZONE

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Date:	Thu, 12 Apr 2012 09:28:53 +0800
From:	Guan Xuetao <gxt@...c.pku.edu.cn>
To:	linux-kernel@...r.kernel.org
Cc:	Guan Xuetao <gxt@...c.pku.edu.cn>, Arnd Bergmann <arnd@...db.de>,
	Liu Guoli <liuguoli@...c.pku.edu.cn>
Subject: [PATCH] UniCore32 bugfix: add missed CONFIG_ZONE_DMA

Because our PCI-bus handler confines dma zone into 128M, we should add
CONFIG_ZONE_DMA for all boards. Otherwise, all memory bigger than 128M
will be pushed into ZONE_MOVABLE.

Cc: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Liu Guoli <liuguoli@...c.pku.edu.cn>
Signed-off-by: Guan Xuetao <gxt@...c.pku.edu.cn>
---
 arch/unicore32/Kconfig |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index eeb8054..9f40a57 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -67,6 +67,9 @@ config GENERIC_CALIBRATE_DELAY
 config ARCH_MAY_HAVE_PC_FDC
 	bool
 
+config ZONE_DMA
+	def_bool y
+
 config NEED_DMA_MAP_STATE
        def_bool y
 
-- 
1.7.0.4

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