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authorMarek Szyprowski <m.szyprowski@samsung.com>2014-10-09 15:26:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-09 22:25:53 -0400
commit95b0e655f9148881907fdbe5baba6a9f5d094fee (patch)
tree7f7dce2094dbe6729cf52b60a218801b3ac78e30
parentf7426b983a6a353cf21e5733e84458219c4a817e (diff)
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op-kernel-dev-95b0e655f9148881907fdbe5baba6a9f5d094fee.tar.gz
ARM: mm: don't limit default CMA region only to low memory
DMA-mapping supports CMA regions places either in low or high memory, so there is no longer needed to limit default CMA regions only to low memory. The real limit is still defined by architecture specific DMA limit. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reported-by: Russell King - ARM Linux <linux@arm.linux.org.uk> Acked-by: Michal Nazarewicz <mina86@mina86.com> Cc: Daniel Drake <drake@endlessm.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/arm/mm/init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 9221645..92bba32 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -322,7 +322,7 @@ void __init arm_memblock_init(const struct machine_desc *mdesc)
* reserve memory for DMA contigouos allocations,
* must come from DMA area inside low memory
*/
- dma_contiguous_reserve(min(arm_dma_limit, arm_lowmem_limit));
+ dma_contiguous_reserve(arm_dma_limit);
arm_memblock_steal_permitted = false;
memblock_dump_all();
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