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 ▲