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Date:	Thu, 17 Jul 2014 11:36:07 +0200
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Michal Nazarewicz <mina86@...a86.com>
Cc:	Marek Szyprowski <m.szyprowski@...sung.com>,
	Minchan Kim <minchan@...nel.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Gleb Natapov <gleb@...nel.org>, Alexander Graf <agraf@...e.de>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	kvm@...r.kernel.org, kvm-ppc@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	Zhang Yanfei <zhangyanfei@...fujitsu.com>
Subject: [PATCH] CMA: generalize CMA reserved area management functionality
 (fixup)

MAX_CMA_AREAS is used by other subsystems (i.e. arch/arm/mm/dma-mapping.c),
so we need to provide correct definition even if CMA is disabled.
This patch fixes this issue.

Reported-by: Sylwester Nawrocki <s.nawrocki@...sung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
---
 include/linux/cma.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/cma.h b/include/linux/cma.h
index 9a18a2b1934c..c077635cad76 100644
--- a/include/linux/cma.h
+++ b/include/linux/cma.h
@@ -5,7 +5,11 @@
  * There is always at least global CMA area and a few optional
  * areas configured in kernel .config.
  */
+#ifdef CONFIG_CMA
 #define MAX_CMA_AREAS	(1 + CONFIG_CMA_AREAS)
+#else
+#define MAX_CMA_AREAS	(0)
+#endif
 
 struct cma;
 
-- 
1.9.2

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