linux-kernel - Re: iwl3945: order 5 allocation during ifconfig up; vm problem?

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Date:	Mon, 24 Sep 2012 11:14:49 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Marc MERLIN <marc@...lins.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Pavel Machek <pavel@....cz>,
	David Rientjes <rientjes@...gle.com>, sgruszka@...hat.com,
	linux-wireless@...r.kernel.org, wey-yi.w.guy@...el.com,
	ilw@...ux.intel.com, Andrew Morton <akpm@...l.org>,
	Mel Gorman <mgorman@...e.de>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: iwl3945: order 5 allocation during ifconfig up; vm problem?

On Mon, 2012-09-24 at 12:03 +0300, Dan Carpenter wrote:

> > > > iwl_alloc_ucode() -> iwl_alloc_fw_desc() -> dma_alloc_coherent()
> 
> I'm filing bugzilla entries for regressions.  What's the status on
> this?

It looks like a VM change caused it, but I merged a patch for -next to
not require such large DMA allocations any more.

johannes

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