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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

April 2019 Kernel Hackers Manual 4.9.