From: Sebastian Ott <sebott@linux.vnet.ibm.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Christoph Hellwig <hch@lst.de>,
Jesper Nilsson <jesper.nilsson@axis.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: dma_zalloc_coherent broken with 57bf5a8963f80fb3828c46c3e3a5b2dd790e09a7
Date: Tue, 27 Mar 2018 10:41:45 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.21.1803271037410.1726@schleppi> (raw)
In-Reply-To: <CAMuHMdX_aTqi=8FmBR07K6-C=ycCrPQ+dT=ujXzNTcekdXB5ag@mail.gmail.com>
Hello Geert,
On Tue, 27 Mar 2018, Geert Uytterhoeven wrote:
> On Tue, Mar 27, 2018 at 10:12 AM, Sebastian Ott
> <sebott@linux.vnet.ibm.com> wrote:
> > commit 57bf5a8963f80fb3828c46c3e3a5b2dd790e09a7 broke usage of dma
> > allocations specifying __GFP_ZERO by silently removing that flag.
>
> How did it break? The flag is now always added.
+ flag &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM | __GFP_ZERO);
I read that as a removal. But maybe I need more coffee..
Sebastian
next prev parent reply other threads:[~2018-03-27 8:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-27 8:12 dma_zalloc_coherent broken with 57bf5a8963f80fb3828c46c3e3a5b2dd790e09a7 Sebastian Ott
2018-03-27 8:21 ` Geert Uytterhoeven
2018-03-27 8:41 ` Sebastian Ott [this message]
2018-03-27 8:51 ` Geert Uytterhoeven
2018-03-27 14:33 ` Christoph Hellwig
2018-03-27 15:24 ` Sebastian Ott
2018-03-27 16:45 ` Christoph Hellwig
2018-03-27 17:04 ` Sebastian Ott
2018-03-28 11:57 ` Christoph Hellwig
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