Jianxin Xiong 476b485be0 dma-buf: Document that dma-buf size is fixed ...

The fact that the size of dma-buf is invariant over the lifetime of the
buffer is mentioned in the comment of 'dma_buf_ops.mmap', but is not
documented at where the info is defined. Add the missing documentation.

Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1605044477-51833-7-git-send-email-jianxin.xiong@intel.com

2020-11-11 17:30:39 +01:00

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