Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\genalloc.c Create Date:2022-07-28 06:56:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:gen_pool_dma_zalloc_algo - allocate special zeroed memory from the pool for* DMA usage with the given pool algorithm*@pool: pool to allocate from*@size: number of bytes to allocate from the pool*@dma: DMA-view physical address return value

Proto:void *gen_pool_dma_zalloc_algo(struct gen_pool *pool, size_t size, dma_addr_t *dma, genpool_algo_t algo, void *data)

Type:void

Parameter:

TypeParameterName
struct gen_pool *pool
size_tsize
dma_addr_t *dma
genpool_algo_talgo
void *data
441  vaddr = gen_pool_dma_alloc_algo - allocate special memory from the pool for DMA* usage with the given pool algorithm*@pool: pool to allocate from*@size: number of bytes to allocate from the pool*@dma: DMA-view physical address return value
443  If vaddr Then memset(vaddr, 0, size)
446  Return vaddr
Caller
NameDescribe
gen_pool_dma_zallocgen_pool_dma_zalloc - allocate special zeroed memory from the pool for* DMA usage*@pool: pool to allocate from*@size: number of bytes to allocate from the pool*@dma: dma-view physical address return value. Use %NULL if unneeded.
gen_pool_dma_zalloc_aligngen_pool_dma_zalloc_align - allocate special zeroed memory from the pool for* DMA usage with the given alignment*@pool: pool to allocate from*@size: number of bytes to allocate from the pool*@dma: DMA-view physical address return value