| dma_pool_alloc(9) - phpMan
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 4.8. January 2017 DMA_POOL_ALLOC(9)
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