Re: ensure dma_alloc_coherent always returns zeroed memory

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To: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
Subject: Re: ensure dma_alloc_coherent always returns zeroed memory
From: Christoph Hellwig <hch@xxxxxx>
Date: Fri, 14 Dec 2018 14:33:18 +0100
Cc: linux-s390@xxxxxxxxxxxxxxx, Michal Simek <monstr@xxxxxxxxx>, linux-c6x-dev@xxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx>, linux-m68k@xxxxxxxxxxxxxxx, openrisc@xxxxxxxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, linux-snps-arc@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20181214082515.14835-1-hch@lst.de>
References: <20181214082515.14835-1-hch@lst.de>
User-agent: Mutt/1.5.17 (2007-11-01)

And in various places this used GFP_ZERO instead of __GFP_ZERO,
so won't compile.

The fixed version is available here:

http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-alloc-always-zero

References:
- ensure dma_alloc_coherent always returns zeroed memory
  - From: Christoph Hellwig

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