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Date:	Fri, 28 Oct 2011 17:23:18 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	x86@...nel.org
Cc:	linux-kernel@...r.kernel.org, Pekka Enberg <penberg@...nel.org>,
	Tejun Heo <tj@...nel.org>, Yinghai Lu <yinghai@...nel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	David Rientjes <rientjes@...gle.com>
Subject: [RFC/PATCH 4/7] x86, mm: Wrap ZONE_DMA32 with CONFIG_ZONE_DMA32

In preparation for unifying 32-bit and 64-bit zone_sizes_init() make sure
ZONE_DMA32 is wrapped in CONFIG_ZONE_DMA32.

Cc: Tejun Heo <tj@...nel.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: H. Peter Anvin <hpa@...ux.intel.com>
Cc: David Rientjes <rientjes@...gle.com>
Signed-off-by: Pekka Enberg <penberg@...nel.org>
---
 arch/x86/mm/init_64.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 3ddda59..a9214e6 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -620,7 +620,9 @@ static void __init zone_sizes_init(void)
 #ifdef CONFIG_ZONE_DMA
 	max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
 #endif
+#ifdef CONFIG_ZONE_DMA32
 	max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
+#endif
 	max_zone_pfns[ZONE_NORMAL] = max_pfn;
 
 	free_area_init_nodes(max_zone_pfns);
-- 
1.7.6.4

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