dmam_alloc_coherent man page on Oracle

dmam_alloc_coherent man page on Oracle

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DMAM_ALLOC_COHERENT(9)	 Device drivers infrastructure	DMAM_ALLOC_COHERENT(9)

NAME
       dmam_alloc_coherent - Managed dma_alloc_coherent

SYNOPSIS
       void * dmam_alloc_coherent(struct device * dev, size_t size,
				  dma_addr_t * dma_handle, gfp_t gfp);

ARGUMENTS
       dev
	   Device to allocate coherent memory for

       size
	   Size of allocation

       dma_handle
	   Out argument for allocated DMA handle

       gfp
	   Allocation flags

DESCRIPTION
       Managed dma_alloc_coherent. Memory allocated using this function will
       be automatically released on driver detach.

RETURNS
       Pointer to allocated memory on success, NULL on failure.

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

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