netdev - Re: [PATCH net-next 4/8] net/mlx4_en: Add __GFP_COLD gfp flags in alloc

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Message-ID: <CAJ3xEMiVTDY5diY=tpcHbOdmqseFyajrcfo9Gh3Cd=kHqYQ-tg@mail.gmail.com>
Date:	Fri, 31 Oct 2014 00:49:45 +0200
From:	Or Gerlitz <gerlitz.or@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Or Gerlitz <ogerlitz@...lanox.com>,
	"David S. Miller" <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>,
	Matan Barak <matanb@...lanox.com>,
	Amir Vadai <amirv@...lanox.com>,
	Saeed Mahameed <saeedm@...lanox.com>,
	Shani Michaeli <shanim@...lanox.com>,
	Ido Shamay <idos@...lanox.com>
Subject: Re: [PATCH net-next 4/8] net/mlx4_en: Add __GFP_COLD gfp flags in alloc_pages

On Thu, Oct 30, 2014 at 7:15 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
>> @@ -54,7 +54,7 @@ static int mlx4_alloc_pages(struct mlx4_en_priv *priv,
>>       dma_addr_t dma;
>>
>>       for (order = MLX4_EN_ALLOC_PREFER_ORDER; ;) {
>> -             gfp_t gfp = _gfp;
>> +             gfp_t gfp = _gfp | __GFP_COLD;

> This should be set by callers, to avoid extra code
> GFP_ATOMIC | __GFP_COLD
> or
> GFP_KERNEL | __GFP_COLD

I guess we can do that, sure.
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