1. NAME▲

dma_buf_kunmap - Unmap a page obtained by dma_buf_kmap.

2. SYNOPSIS ▲

void dma_buf_kunmap(struct dma_buf *  dmabuf , unsigned long  page_num , void *  vaddr );

3. 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.

4. DESCRIPTION ▲

This call must always succeed.

5. COPYRIGHT ▲