Hi, I'm wondering why dma_alloc_coherent needs GFP_HIGHUSER | __GFP_ZERO flags in ion_cma_allocate().
I think dma_alloc_coherent can go to __dma_alloc if the system has CMA area. If __GFP_WAIT flag is set, it allocates memory from atomic pool. So I think calling dma_alloc_coherent with __GFP_WAIT is enough. And can I get zero-filled-memory from CMA if I set __GFP_ZERO? -- Thanks, Gioh Kim -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
