netdev - Re: [PATCH 1/2] ARM: kirkwood: proper retain MAC address workaround on DT ethernet

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Message-ID: <1369691406.3557.35.camel@pasglop>
Date:	Tue, 28 May 2013 07:50:06 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linuxppc-dev@...ts.ozlabs.org,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	andrew@...n.ch, jason@...edaemon.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, buytenh@...tstofly.org,
	grant.likely@...aro.org, David Miller <davem@...emloft.net>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] ARM: kirkwood: proper retain MAC address workaround
 on DT ethernet

On Mon, 2013-05-27 at 14:47 +0200, Arnd Bergmann wrote:
> On Monday 27 May 2013 21:50:04 Benjamin Herrenschmidt wrote:
> > However, that wouldn't help much with the allocation/leak problem,
> > though at least it would be easier to use. It could also *try* to re-use
> > the current allocation if the new content is of smaller or equal size.
> 
> I thought that dtc tried to aggressively save space by folding identical
> strings. If you tried to reuse a property that had its contents shared
> with another one, you would get interesting results I guess.

It used to be only property names, unless that has changed in recent
dtc. But that's a good point, we probably want a flag in struct property
like we have for nodes, indicating whether it comes from the original
fdt data pool or not.

Cheers,
Ben.


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