dma_pool_alloc man page on Oracle

dma_pool_alloc man page on Oracle

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DMA_POOL_ALLOC(9)	  Memory Management in Linux	     DMA_POOL_ALLOC(9)

NAME
       dma_pool_alloc - get a block of consistent memory

SYNOPSIS
       void * dma_pool_alloc(struct dma_pool * pool, gfp_t mem_flags,
			     dma_addr_t * handle);

ARGUMENTS
       pool
	   dma pool that will produce the block

       mem_flags
	   GFP_* bitmask

       handle
	   pointer to dma address of block

DESCRIPTION
       This returns the kernel virtual address of a currently unused block,
       and reports its dma address through the handle. If such a memory block
       can't be allocated, NULL is returned.

COPYRIGHT
Kernel Hackers Manual 3.8.	   June 2014		     DMA_POOL_ALLOC(9)

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