1. NAME▲

dma_buf_kmap_atomic - Map a page of the buffer object into kernel address space. The same restrictions as for kmap_atomic and friends apply.

2. SYNOPSIS ▲

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

3. ARGUMENTS ▲

dmabuf
    [in] buffer to map page from.

page_num
    [in] page in PAGE_SIZE units to map.

4. DESCRIPTION ▲

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

5. COPYRIGHT ▲