netdev - Re: [PATCH 5/7] s390/ism: don't pass bogus GFP_ flags to dma_alloc

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Message-ID: <62786a02-3647-485e-a5c1-92b3008e34b1@linux.ibm.com>
Date:   Wed, 16 Nov 2022 13:39:07 +0100
From:   Wenjia Zhang <wenjia@...ux.ibm.com>
To:     Christoph Hellwig <hch@....de>,
        Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alexandra Winter <wintera@...ux.ibm.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Russell King <linux@...linux.org.uk>,
        Robin Murphy <robin.murphy@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-rdma@...r.kernel.org,
        iommu@...ts.linux.dev, linux-media@...r.kernel.org,
        netdev@...r.kernel.org, linux-s390@...r.kernel.org,
        alsa-devel@...a-project.org
Subject: Re: [PATCH 5/7] s390/ism: don't pass bogus GFP_ flags to
 dma_alloc_coherent



On 13.11.22 17:35, Christoph Hellwig wrote:
> dma_alloc_coherent is an opaque allocator that only uses the GFP_ flags
> for allocation context control.  Don't pass __GFP_COMP which makes no
> sense for an allocation that can't in any way be converted to a page
> pointer.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>   drivers/s390/net/ism_drv.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
I'm fine with that.

Acked-by: Wenjia Zhang <wenjia@...ux.ibm.com>