linux-kernel - Re: [PATCH] net: don't use kvzalloc for DMA memory

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Message-ID: <alpine.LRH.2.02.1804181354490.17942@file01.intranet.prod.int.rdu2.redhat.com>
Date:   Wed, 18 Apr 2018 13:55:21 -0400 (EDT)
From:   Mikulas Patocka <mpatocka@...hat.com>
To:     David Miller <davem@...emloft.net>
cc:     eric.dumazet@...il.com, edumazet@...gle.com,
        joby.poriyath@...rix.com, bhutchings@...arflare.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        mst@...hat.com, jasowang@...hat.com,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH] net: don't use kvzalloc for DMA memory



On Wed, 18 Apr 2018, David Miller wrote:

> From: Eric Dumazet <eric.dumazet@...il.com>
> Date: Wed, 18 Apr 2018 09:51:25 -0700
> 
> > I suggest that virtio_net clearly identifies which part needs a specific allocation
> > and does its itself, instead of abusing the netdev_priv storage.
> > 
> > Ie use a pointer to a block of memory, allocated by virtio_net, for virtio_net.
> 
> +1

And what about the other networking drivers that may do the same thing?

Mikulas