Re: [PATCH 02/22] net: moxa: Don't use GFP_DMA when calling dma_alloc_coherent()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Baoquan He <bhe@xxxxxxxxxx>
Subject: Re: [PATCH 02/22] net: moxa: Don't use GFP_DMA when calling dma_alloc_coherent()
From: Christoph Hellwig <hch@xxxxxx>
Date: Sat, 19 Feb 2022 08:07:48 +0100
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, hch@xxxxxx, cl@xxxxxxxxx, 42.hyeyoo@xxxxxxxxx, penberg@xxxxxxxxxx, rientjes@xxxxxxxxxx, iamjoonsoo.kim@xxxxxxx, vbabka@xxxxxxx, David.Laight@xxxxxxxxxx, david@xxxxxxxxxx, herbert@xxxxxxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, steffen.klassert@xxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, hca@xxxxxxxxxxxxx, gor@xxxxxxxxxxxxx, agordeev@xxxxxxxxxxxxx, borntraeger@xxxxxxxxxxxxx, svens@xxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, michael@xxxxxxxx, linux-i2c@xxxxxxxxxxxxxxx, wsa@xxxxxxxxxx
In-reply-to: <20220219005221.634-3-bhe@redhat.com>
References: <20220219005221.634-1-bhe@redhat.com> <20220219005221.634-3-bhe@redhat.com>
User-agent: Mutt/1.5.17 (2007-11-01)

On Sat, Feb 19, 2022 at 08:52:01AM +0800, Baoquan He wrote:
> From: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
> 
> dma_alloc_coherent() allocates dma buffer with device's addressing
> limitation in mind. It's redundent to specify GFP_DMA when calling
> dma_alloc_coherent().

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH 00/22] Don't use kmalloc() with GFP_DMA
  - From: Baoquan He
- [PATCH 02/22] net: moxa: Don't use GFP_DMA when calling dma_alloc_coherent()
  - From: Baoquan He

Prev by Date: Re: [PATCH 01/22] parisc: pci-dma: remove stale code and comment
Next by Date: Re: [PATCH 03/22] gpu: ipu-v3: Don't use GFP_DMA when calling dma_alloc_coherent()
Previous by thread: [PATCH 02/22] net: moxa: Don't use GFP_DMA when calling dma_alloc_coherent()
Next by thread: [PATCH 03/22] gpu: ipu-v3: Don't use GFP_DMA when calling dma_alloc_coherent()
Index(es):
- Date
- Thread

[Index of Archives] [Linux ARM Kernel] [Linux ARM] [Linux Omap] [Fedora ARM] [IETF Annouce] [Bugtraq] [Linux OMAP] [Linux MIPS] [eCos] [Asterisk Internet PBX] [Linux API]