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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Tom Herbert <tom@herbertland.com>, James Chapman <jchapman@katalix.com>
Cc: Guillaume Nault <g.nault@alphalink.fr>,
	David Miller <davem@davemloft.net>,
	Linux Kernel Network Developers <netdev@vger.kernel.org>
Subject: Re: [PATCH net-next] kcm: do not attach sockets if sk_user_data is already used
Date: Thu, 18 Jan 2018 10:08:13 -0800	[thread overview]
Message-ID: <1516298893.3606.24.camel@gmail.com> (raw)
In-Reply-To: <CALx6S36ewno1msS3cLhtjQNBz0rEXsFadCQunbjPuOo6goC3tg@mail.gmail.com>

On Thu, 2018-01-18 at 09:46 -0800, Tom Herbert wrote:
> 
> Then that's increasing the udp_sock structure size for a narrow use
> case which will get push back. I think it's going to be better to
> stick with one sock pointer. We could maybe redefine sk_user_data as a
> pointer to an allocated structure or array so it can hold multiple
> user_data pointers (in lieu of chaining).
> 

We do not have a lot of UDP sockets per host, I do not believe it
should be a problem adding stuff in them.

  reply	other threads:[~2018-01-18 18:08 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-14 11:32 [PATCH net-next] kcm: do not attach sockets if sk_user_data is already used James Chapman
2018-01-16 10:44 ` Guillaume Nault
2018-01-16 17:10   ` Eric Dumazet
2018-01-16 17:36 ` Tom Herbert
2018-01-16 19:00   ` David Miller
2018-01-17 11:13     ` James Chapman
2018-01-17 19:25       ` David Miller
2018-01-18 15:18         ` Guillaume Nault
2018-01-18 15:40           ` James Chapman
2018-01-18 16:29             ` Guillaume Nault
2018-01-18 17:30               ` James Chapman
2018-01-18 17:46             ` Tom Herbert
2018-01-18 18:08               ` Eric Dumazet [this message]
2018-01-18 19:26                 ` Tom Herbert
2018-01-18 19:46                   ` Eric Dumazet
2018-01-18 17:40         ` Tom Herbert

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