RE: [PATCH] dma\ae4dma: added AMD user space DMA driver

[Morten Brørup]

> --- a/lib/mempool/rte_mempool.h
> +++ b/lib/mempool/rte_mempool.h
> @@ -136,7 +136,7 @@ struct rte_mempool_objsz {
>  /**
>   * Alignment of elements inside mempool.
>   */
> -#define RTE_MEMPOOL_ALIGN    RTE_CACHE_LINE_SIZE
> +#define RTE_MEMPOOL_ALIGN    4096

NAK!
This would nearly double the memory footprint of ordinary mbuf pools (with 
object size 2048).
And the memory footprint of mempools containing small objects would explode.

>  #endif
> 
>  #define RTE_MEMPOOL_ALIGN_MASK       (RTE_MEMPOOL_ALIGN - 1)