| dmam_alloc_coherent(9) - phpMan
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.
RETURN
Pointer to allocated memory on success, NULL on failure.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 DMAM_ALLOC_COHERENT(9)
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