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From: Andi Kleen <ak@suse.de>
To: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Ming Zhang <mingz@ele.uri.edu>,
	E1000 <e1000-devel@lists.sourceforge.net>,
	iet-dev <iscsitarget-devel@lists.sourceforge.net>,
	netdev@vger.kernel.org
Subject: Re: Page Allocation Failure with e1000 using jumbo frame
Date: Fri, 19 Aug 2005 19:02:48 +0200	[thread overview]
Message-ID: <20050819170248.GH3953@verdi.suse.de> (raw)
In-Reply-To: <Pine.WNT.4.63.0508190940210.3796@jbrandeb-desk.amr.corp.intel.com>

> I guess we need to approach the memory manager guys and ask them why the 
> current kernels are having so much trouble getting contiguous memory. 

Because memory fragments.

The only long term reliable way is to not allocate buffers > PAGE_SIZE.
The stack supports paged skbs for that.

-Andi


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  parent reply	other threads:[~2005-08-19 17:02 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1124326404.5546.215.camel@localhost.localdomain>
2005-08-19 16:51 ` [E1000-devel] Page Allocation Failure with e1000 using jumbo frame Jesse Brandeburg
2005-08-19 17:01   ` Ming Zhang
2005-08-19 17:33     ` Page Allocation Failure with e1000 using jumboframe Jesse Brandeburg
2005-08-19 17:42       ` [E1000-devel] " Andi Kleen
2005-08-19 17:51         ` Jesse Brandeburg
2005-08-19 18:01           ` Andi Kleen
2005-08-19 19:07             ` Ming Zhang
2005-08-19 21:10             ` Jesse Brandeburg
2005-08-19 17:52       ` Ming Zhang
2005-08-20  1:46       ` Michael Iatrou
2005-08-19 17:02   ` Andi Kleen [this message]
2005-08-19 18:10     ` [E1000-devel] Page Allocation Failure with e1000 using jumbo frame Martin Josefsson
2005-08-19 17:03   ` Nivedita Singhvi
2005-08-20  1:43   ` [E1000-devel] " Michael Iatrou

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