linux-kernel - Re: PROBLEM: iwlagn kernel 2.6.32.3 ooops

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Message-ID: <20100210082137.GA2519@dhcp-lab-161.englab.brq.redhat.com>
Date:	Wed, 10 Feb 2010 09:21:38 +0100
From:	Stanislaw Gruszka <sgruszka@...hat.com>
To:	reinette chatre <reinette.chatre@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"lkml@...nk-Future.de" <lkml@...nk-Future.de>,
	Linux Kernel-Liste <linux-kernel@...r.kernel.org>,
	"ilw@...ux.intel.com" <ilw@...ux.intel.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
Subject: Re: PROBLEM: iwlagn kernel 2.6.32.3 ooops

Hi

On Tue, Feb 09, 2010 at 09:04:52AM -0800, reinette chatre wrote:
> I do not understand your goal here ... as seen in this trace
> pci_alloc_consistent itself already calls dma_alloc_coherent right away.

We can call dma_alloc_coherent with GFP_KERNEL, pci_alloc_consistent is
more or less equal to dma_alloc_coherent with GFP_ATOMIC flag.

Stanislaw
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