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. September 2014 DMA_POOL_FREE(9)