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Date:   Fri, 14 Dec 2018 19:10:56 +0100
From:   Sam Ravnborg <sam@ravnborg.org>
To:     Christoph Hellwig <hch@lst.de>
Cc:     iommu@lists.linux-foundation.org, Michal Simek <monstr@monstr.eu>,
        Ashutosh Dixit <ashutosh.dixit@intel.com>,
        linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org,
        linux-c6x-dev@linux-c6x.org, linux-m68k@lists.linux-m68k.org,
        openrisc@lists.librecores.org, linux-parisc@vger.kernel.org,
        linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
        linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] dma-mapping: zero memory returned from dma_alloc_*
Message-ID: <20181214181056.GA17941@ravnborg.org>
References: <20181214082515.14835-1-hch@lst.de>
 <20181214082515.14835-2-hch@lst.de>
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Hi Christoph,

I stumbled upon this one:

#define __get_dma_pages(gfp_mask, order) \
                __get_free_pages((gfp_mask) | GFP_DMA, (order))

(include/linux/gfp.h)
Should it also have the __GFP_ZERO treatment?
Or maybe this is already done in your tree..

As for the sparc bits:
Acked-by: Sam Ravnborg <sam@ravnborg.org> [sparc]

	Sam