Hello,
In vb2_cma_put if buf-refcount is 0, cma_free is called.
But vb2_cma_put is usually called from munmap.
In my opinion cma_free should be called from VIDIOC_REQBUFS(0) not munmap.
BRs,
2010/9/9 Pawel Osciak p.osc...@samsung.com:
Add support for the CMA contiguous memory allocator to
Hello,
On 09/15/2010 10:55 AM, han jonghun wrote:
Hello,
In vb2_cma_put if buf-refcount is 0, cma_free is called.
But vb2_cma_put is usually called from munmap.
In my opinion cma_free should be called from VIDIOC_REQBUFS(0) not munmap.
cma_free has to be called from both, since we do not
Add support for the CMA contiguous memory allocator to videobuf2.
Signed-off-by: Pawel Osciak p.osc...@samsung.com
Signed-off-by: Kyungmin Park kyungmin.p...@samsung.com
---
drivers/media/video/Kconfig |5 +
drivers/media/video/Makefile|2 +
