dma_buf_kmap
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## Name

dma_buf_kmap — Map a page of the buffer object into kernel address space. The same restrictions as for kmap and friends apply.

## Synopsis

`void * dma_buf_kmap (` | struct dma_buf * dmabuf,
| unsigned long page_num`)`;

## Arguments

`dmabuf`

  [in] buffer to map page from.

`page_num`

  [in] page in PAGE_SIZE units to map.

## Description

This call must always succeed, any necessary preparations that might fail need to be done in begin_cpu_access.

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