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

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Message-ID: <20210126070744.GA1244507@infradead.org>
Date:   Tue, 26 Jan 2021 07:07:44 +0000
From:   Christoph Hellwig <hch@...radead.org>
To:     Minchan Kim <minchan@...nel.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,
        hch@...radead.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

> +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.