netdev - Re: [PATCH 16/22] usb: udc: lpc32xx: Don't use GFP_DMA when calling dma_pool

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Message-ID: <20220219071313.GB26711@lst.de>
Date:   Sat, 19 Feb 2022 08:13:13 +0100
From:   Christoph Hellwig <hch@....de>
To:     Baoquan He <bhe@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        akpm@...ux-foundation.org, hch@....de, cl@...ux.com,
        42.hyeyoo@...il.com, penberg@...nel.org, rientjes@...gle.com,
        iamjoonsoo.kim@....com, vbabka@...e.cz, David.Laight@...LAB.COM,
        david@...hat.com, herbert@...dor.apana.org.au, davem@...emloft.net,
        linux-crypto@...r.kernel.org, steffen.klassert@...unet.com,
        netdev@...r.kernel.org, hca@...ux.ibm.com, gor@...ux.ibm.com,
        agordeev@...ux.ibm.com, borntraeger@...ux.ibm.com,
        svens@...ux.ibm.com, linux-s390@...r.kernel.org, michael@...le.cc,
        linux-i2c@...r.kernel.org, wsa@...nel.org
Subject: Re: [PATCH 16/22] usb: udc: lpc32xx: Don't use GFP_DMA when
 calling dma_pool_alloc()

On Sat, Feb 19, 2022 at 08:52:15AM +0800, Baoquan He wrote:
> dma_pool_alloc() uses dma_alloc_coherent() to pre-allocate DMA buffer,
> so it's redundent to specify GFP_DMA when calling.

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>