DEFAULT_DMA_COHERENT_POOL_SIZE  346 arch/arm/mm/dma-mapping.c static size_t atomic_pool_size __initdata = DEFAULT_DMA_COHERENT_POOL_SIZE;
DEFAULT_DMA_COHERENT_POOL_SIZE  105 kernel/dma/remap.c static size_t atomic_pool_size __initdata = DEFAULT_DMA_COHERENT_POOL_SIZE;