Commit 95b0e655 authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Linus Torvalds

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: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Reported-by: default avatarRussell King - ARM Linux <linux@arm.linux.org.uk>
Acked-by: default avatarMichal 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f7426b98
...@@ -322,7 +322,7 @@ void __init arm_memblock_init(const struct machine_desc *mdesc) ...@@ -322,7 +322,7 @@ void __init arm_memblock_init(const struct machine_desc *mdesc)
* reserve memory for DMA contigouos allocations, * reserve memory for DMA contigouos allocations,
* must come from DMA area inside low memory * 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; arm_memblock_steal_permitted = false;
memblock_dump_all(); memblock_dump_all();
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment