DMA_POOL_FREE(9) Memory Management in Linux DMA_POOL_FREE(9)NAME
dma_pool_free - put block back into dma pool
SYNOPSIS
void dma_pool_free(struct dma_pool * pool, void * vaddr,
dma_addr_t dma);
ARGUMENTS
pool
the dma pool holding the block
vaddr
virtual address of block
dma
dma address of block
DESCRIPTION
Caller promises neither device nor driver will again touch this block
unless it is first re-allocated.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 DMA_POOL_FREE(9)