Name
dma_buf_kunmap_atomic —
Unmap a page obtained by dma_buf_kmap_atomic.
Synopsis
void dma_buf_kunmap_atomic ( | struct dma_buf * dmabuf, |
| | unsigned long page_num, |
| | void * vaddr); |
Arguments
dmabuf
[in] buffer to unmap page from.
page_num
[in] page in PAGE_SIZE units to unmap.
vaddr
[in] kernel space pointer obtained from dma_buf_kmap_atomic.
Description
This call must always succeed.