1DMA_POOL_ALLOC(9)         Memory Management in Linux         DMA_POOL_ALLOC(9)
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NAME

6       dma_pool_alloc - get a block of consistent memory
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SYNOPSIS

9       void * dma_pool_alloc(struct dma_pool * pool, gfp_t mem_flags,
10                             dma_addr_t * handle);
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ARGUMENTS

13       pool
14           dma pool that will produce the block
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16       mem_flags
17           GFP_* bitmask
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19       handle
20           pointer to dma address of block
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DESCRIPTION

23       This returns the kernel virtual address of a currently unused block,
24       and reports its dma address through the handle. If such a memory block
25       canĀ“t be allocated, NULL is returned.
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28Kernel Hackers Manual 2.6.         June 2019                 DMA_POOL_ALLOC(9)
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