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.
COPYRIGHT Kernel Hackers Manual 2.6. July 2015 DMA_POOL_FREE(9)