linux-kernel - Re: [PATCH] net/mlx4_en: allocate non 0-order pages for RX ring with __GFP

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Message-ID: <1460981527.10638.102.camel@edumazet-glaptop3.roam.corp.google.com>
Date:	Mon, 18 Apr 2016 05:12:07 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
Cc:	netdev@...r.kernel.org, Yishai Hadas <yishaih@...lanox.com>,
	Eugenia Emantayev <eugenia@...lanox.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/mlx4_en: allocate non 0-order pages for RX ring
 with __GFP_NOMEMALLOC

On Mon, 2016-04-18 at 14:33 +0300, Konstantin Khlebnikov wrote:
> High order pages are optional here since commit 51151a16a60f ("mlx4: allow
> order-0 memory allocations in RX path"), so here is no reason for depleting
> reserves. Generic __netdev_alloc_frag() implements the same logic.
> 
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
> ---
>  drivers/net/ethernet/mellanox/mlx4/en_rx.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Eric Dumazet <edumazet@...gle.com>

Thanks !