linux-kernel - Re: [PATCH 001/002] linux-input: bcm5974-0.31: fixed resource leak, removed work struct, device data struct introduced

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Message-Id: <200807012053.31524.david-b@pacbell.net>
Date:	Tue, 1 Jul 2008 20:53:31 -0700
From:	David Brownell <david-b@...bell.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Henrik Rydberg <rydberg@...omail.se>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, dmitry.torokhov@...il.com,
	robfitz@...k.net, jikos@...os.cz, vojtech@...e.cz,
	dmonakhov@...nvz.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 001/002] linux-input:  bcm5974-0.31: fixed resource leak, removed work struct, device data struct introduced

On Tuesday 01 July 2008, Andrew Morton wrote:
> > > I dunno what USB driver normally use for their dma memory. __Perhaps
> > > dma_alloc_coherent()?
> > 
> > kmalloc() as a rule ...
> 
> kmalloc(GFP_DMA)?  Hopefully not...

Right.  Does anything except parport need that any more?
Precious little ISA stuff does DMA.

USB should never use GFP_DMA.




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