linux-kernel - Re: [PATCH] arm: dma: Drop GFP_COMP for DMA memory allocations

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Message-ID: <20111123233957.GM9581@n2100.arm.linux.org.uk>
Date:	Wed, 23 Nov 2011 23:39:57 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Stephen Warren <swarren@...dia.com>
Cc:	Jon Medhurst <tixy@...t.co.uk>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sumit Bhattacharya <sumitb@...dia.com>
Subject: Re: [PATCH] arm: dma:  Drop GFP_COMP for DMA memory allocations

On Wed, Nov 23, 2011 at 11:10:03AM -0800, Stephen Warren wrote:
> Stephen Warren wrote at Wednesday, November 09, 2011 11:04 AM:
> > Stephen Warren wrote at Friday, November 04, 2011 3:36 PM:
> > > dma_alloc_coherent wants to split pages after allocation in order to
> > > reduce the memory footprint. This does not work well with GFP_COMP
> > > pages, so drop this flag before allocation.
> > >
> > > This patch is ported from arch/avr32
> > > (commit 3611553ef985ef7c5863c8a94641738addd04cff).
> > >
> > > Signed-off-by: Sumit Bhattacharya <sumitb@...dia.com>
> > > Tested-by: Varun Colbert <vcolbert@...dia.com>
> > > [swarren: s/HUGETLB_PAGE/HUGETLBFS/ in comment, minor comment cleanup]
> > > Signed-off-by: Stephen Warren <swarren@...dia.com>
> > 
> > Russell, does this look good to go in the patch system now?
> 
> ping?

I think so.
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