linux-kernel - Re: Problem: Out of memory after 2days with 2GB RAM

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Date:	Thu, 12 Jun 2008 20:15:47 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Tomas Winkler <tomasw@...il.com>
Cc:	Rik van Riel <riel@...hat.com>,
	Zdenek Kabelac <zdenek.kabelac@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	yi.zhu@...el.com, reinette.chatre@...el.com,
	linux-wireless@...r.kernel.org
Subject: Re: Problem: Out of memory after 2days with 2GB RAM

> I'm not against it. You;v decided that I'm fighting you because I gave
> another solution.

Ok, no, I'm not saying you shouldn't rewrite all the code to get rid of
it, but I think you can use a patch like mine interim as such a rewrite
is unlikely to go into 2.6.26, is it?

> Frankly we probably don't need this allocation at all. maybe one skb
> is just enough

That would be nice, indeed.

> even with my never dying hope all fragments are in skb fragment list.

:)

> This still probably won't save pci memory allocation problem

Yeah, true, that one needs to be done, but it could probably be done
only once when hw is probed rather than every time it is brought up.
Most likely not something you'll get to fix in 2.6.26 either though.

johannes

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