Re: [PATCH V4] mlx4_core: allocate ICM memory in page size chunks

[Eric Dumazet]

On 05/29/2018 11:44 PM, Eric Dumazet wrote:

> 
> And I will add this simple fix, this really should address your initial 
> concern much better.
> 
> @@ -99,6 +100,8 @@ static int mlx4_alloc_icm_pages(struct scatterlist *mem, 
> int order,
>  {
>         struct page *page;
>  
> +       if (order)
> +               gfp_mask |= __GFP_NORETRY;

    and also      gfp_mask &= ~__GFP_DIRECT_RECLAIM


>         page = alloc_pages_node(node, gfp_mask, order);
>         if (!page) {
>                 page = alloc_pages(gfp_mask, order);
>