linux-kernel - Re: [PATCH v4 4/4] dma-buf: heaps: add chunk heap to dmabuf heaps

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Message-ID: <YBBtJ7zMrkdcNMuV@google.com>
Date:   Tue, 26 Jan 2021 11:27:35 -0800
From:   Minchan Kim <minchan@...nel.org>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-mm <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>, hyesoo.yu@...sung.com,
        david@...hat.com, mhocko@...e.com, surenb@...gle.com,
        pullip.cho@...sung.com, joaodias@...gle.com, hridya@...gle.com,
        john.stultz@...aro.org, sumit.semwal@...aro.org,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, linaro-mm-sig@...ts.linaro.org
Subject: Re: [PATCH v4 4/4] dma-buf: heaps: add chunk heap to dmabuf heaps

On Tue, Jan 26, 2021 at 07:07:44AM +0000, Christoph Hellwig wrote:
> > +config DMABUF_HEAPS_CHUNK
> > +	bool "DMA-BUF CHUNK Heap"
> > +	depends on DMABUF_HEAPS && DMA_CMA
> > +	help
> > +	  Choose this option to enable dma-buf CHUNK heap. This heap is backed
> > +	  by the Contiguous Memory Allocator (CMA) and allocates the buffers that
> > +	  are arranged into a list of fixed size chunks taken from CMA.
> 
> Overly long line, which in text flowing text is really, really annoying.
> 
> Many more later.  Remember that > 80 chars are only allowed if they
> significantly improve readability.  

Let me make it shorter than 80 chars in next revision.
Thanks for the reivew, Christoph.