[dpdk-dev] [PATCH 1/2] net/mlx5: fix alignment of Memory Region
Nélio Laranjeiro
nelio.laranjeiro at 6wind.com
Wed Apr 18 08:43:20 CEST 2018
On Tue, Apr 17, 2018 at 11:39:13AM -0700, Yongseok Koh wrote:
> The memory region is [start, end), so if the memseg of 'end' isn't
> allocated yet, the returned memseg will have zero entries and this will
> make 'end' zero (nil).
>
> Fixes: 718e35999c96 ("net/mlx5: use virt2memseg instead of iteration")
> Cc: Anatoly Burakov <anatoly.burakov at intel.com>
>
> Signed-off-by: Yongseok Koh <yskoh at mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
> ---
> drivers/net/mlx5/mlx5_mr.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/net/mlx5/mlx5_mr.c b/drivers/net/mlx5/mlx5_mr.c
> index fdf7b3e88..39bbe2481 100644
> --- a/drivers/net/mlx5/mlx5_mr.c
> +++ b/drivers/net/mlx5/mlx5_mr.c
> @@ -265,9 +265,7 @@ mlx5_mr_new(struct rte_eth_dev *dev, struct rte_mempool *mp)
> ms = rte_mem_virt2memseg((void *)start, NULL);
> if (ms != NULL)
> start = RTE_ALIGN_FLOOR(start, ms->hugepage_sz);
> - ms = rte_mem_virt2memseg((void *)end, NULL);
> - if (ms != NULL)
> - end = RTE_ALIGN_CEIL(end, ms->hugepage_sz);
> + end = RTE_ALIGN_CEIL(end, ms->hugepage_sz);
>
> DRV_LOG(DEBUG,
> "port %u mempool %p using start=%p end=%p size=%zu for memory"
> --
> 2.11.0
>
--
Nélio Laranjeiro
6WIND
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