From: Anton Blanchard <anton@samba.org>
To: Joonas Kortesalmi <joneskoo@derbian.org>
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org
Subject: Re: swapper: page allocation failure. order:3, mode:0x20
Date: Thu, 1 Jan 2004 21:27:20 +1100 [thread overview]
Message-ID: <20040101102720.GL28023@krispykreme> (raw)
In-Reply-To: <20040101101541.GJ28023@krispykreme>
> Now e1000 uses TSO (and can regularly ask for 32kB+ kmallocs in
> interrupt context) perhaps we should look moving the rx buffer refill code
> into a context that can sleep. Then again its not like we can tolerate
> much latency in this code path, your rx ring will run out quite quickly :)
I hate to argue with myself, but thats crap. TSO only affects the TX
path and its buffers are created outside interrupt context. So it must be
a large MTU causing the failures, regardless it still makes sense to explore
rx skb refill outside of interrupt context idea.
Anton
next prev parent reply other threads:[~2004-01-01 10:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-01 9:35 swapper: page allocation failure. order:3, mode:0x20 Joonas Kortesalmi
2004-01-01 10:15 ` Anton Blanchard
2004-01-01 10:25 ` Andrew Morton
2004-01-01 13:01 ` Anton Blanchard
2004-01-01 20:45 ` Andrew Morton
2004-01-01 22:43 ` Anton Blanchard
2004-01-01 22:08 ` Christophe Saout
2004-01-01 22:45 ` Anton Blanchard
2004-01-01 23:13 ` Christophe Saout
2004-01-01 10:27 ` Anton Blanchard [this message]
2004-01-01 10:42 ` Arjan van de Ven
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