dma_pool_free
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## 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.

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