[dpdk-dev] [PATCH] malloc: fix memory element size in case of padding

[Burakov, Anatoly]

On 21-Nov-19 2:25 PM, Xueming Li wrote:
> This patch fixes wrong inner memory element size when joining two
> elements.
> 
> Fixes: af75078fece3 ("first public release")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Xueming Li <xuemingl at mellanox.com>
> ---
>   lib/librte_eal/common/malloc_elem.c | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/lib/librte_eal/common/malloc_elem.c b/lib/librte_eal/common/malloc_elem.c
> index afacb1813c..885d00424b 100644
> --- a/lib/librte_eal/common/malloc_elem.c
> +++ b/lib/librte_eal/common/malloc_elem.c
> @@ -487,6 +487,10 @@ join_elem(struct malloc_elem *elem1, struct malloc_elem *elem2)
>   	else
>   		elem1->heap->last = elem1;
>   	elem1->next = next;
> +	if (elem1->pad) {
> +		struct malloc_elem *inner = RTE_PTR_ADD(elem1, elem1->pad);
> +		inner->size = elem1->size - elem1->pad;
> +	}
>   }
>   
>   struct malloc_elem *
> 

Reviewed-by: Anatoly Burakov <anatoly.burakov at intel.com>

-- 
Thanks,
Anatoly