linux-kernel - Re: skbuff truesize incorrect.

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Message-ID: <537F130F.6080901@mentor.com>
Date:	Fri, 23 May 2014 10:21:19 +0100
From:	Jim Baxter <jim_baxter@...tor.com>
To:	David Miller <davem@...emloft.net>
CC:	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<netdev@...r.kernel.org>, <kamal@...onical.com>,
	<bhutchings@...arflare.com>, <edumazet@...gle.com>,
	<mszeredi@...e.cz>, <fw@...len.de>
Subject: Re: skbuff truesize incorrect.

On 22/05/14 21:58, David Miller wrote:
> From: Jim Baxter <jim_baxter@...tor.com>
> Date: Thu, 22 May 2014 21:21:55 +0100
> 
>> If there are multiple clones for an skb all pointing at the same data,
>> will that distort the memory used when they all have the same truesize?
> 
> What is distorted about it?
> 
> Each clone references exactly that much backing memory.
>

Thank you for you help, I think distorted was the wrong word.


I think I am confused what truesize is used for it looks like it is used
to deallocate memory, is this correct?


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