Name

dma_buf_kunmap — Unmap a page obtained by dma_buf_kmap.

Synopsis

void dma_buf_kunmap (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.

Description

This call must always succeed.