Hi!
Recent changes to ioremap and unification of vmalloc regions on ARM
significantly reduces the possible size of the consistent dma region and
limited allowed dma coherent/writecombine allocations.
This experimental patch series replaces custom consistent dma regions
usage in dma-mapping framework in favour of generic vmalloc areas
created on demand for each coherent and writecombine allocations.
This patch is based on vanilla v3.4-rc2 release.
Best regards
Marek Szyprowski
Samsung Poland R&D Center
Patch summary:
Marek Szyprowski (4):
mm: vmalloc: use const void * for caller argument
mm: vmalloc: export find_vm_area() function
mm: vmalloc: add VM_DMA flag to indicate areas used by dma-mapping
framework
ARM: remove consistent dma region and use common vmalloc range for
dma allocations
arch/arm/include/asm/dma-mapping.h | 2 +-
arch/arm/mm/dma-mapping.c | 220 +++++++-----------------------------
include/linux/vmalloc.h | 10 +-
mm/vmalloc.c | 31 ++++--
4 files changed, 67 insertions(+), 196 deletions(-)
--
1.7.1.569.g6f426
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