Name
dma_pool_alloc —
get a block of consistent memory
Synopsis
void * dma_pool_alloc ( | struct dma_pool * pool, |
| | gfp_t mem_flags, |
| | dma_addr_t * handle); |
Arguments
struct dma_pool * pool
dma pool that will produce the block
gfp_t mem_flags
GFP_* bitmask
dma_addr_t * handle
pointer to dma address of block
Description
This returns the kernel virtual address of a currently unused block,
and reports its dma address through the handle.
If such a memory block can't be allocated, NULL is returned.