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mm/cma: Move dma contiguous changes into a seperate config

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We want to use CMA for allocating hash page table and real mode area for
PPC64. Hence move DMA contiguous related changes into a seperate config
so that ppc64 can enable CMA without requiring DMA contiguous.

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[removed defconfig changes]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
This commit is contained in:
Aneesh Kumar K.V
2013-07-02 11:15:15 +05:30
committed by Marek Szyprowski
parent 8bb495e3f0
commit f825c736e7
6 changed files with 34 additions and 22 deletions
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2
include/linux/dma-contiguous.h
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@@ -57,7 +57,7 @@ struct cma;
struct page;
struct device;
#ifdef CONFIG_CMA
#ifdef CONFIG_DMA_CMA
/*
* There is always at least global CMA area and a few optional device