linux-kernel - Re: [PATCH] dma-mapping: Use 'bitmap

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Message-ID: <c8cd95bc81173fdbdff4f2b504db3ce89119fa0d.camel@perches.com>
Date:   Sun, 24 Oct 2021 10:54:47 -0700
From:   Joe Perches <joe@...ches.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>, hch@....de,
        m.szyprowski@...sung.com, robin.murphy@....com
Cc:     iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] dma-mapping: Use 'bitmap_zalloc()' when applicable

On Sun, 2021-10-24 at 19:40 +0200, Christophe JAILLET wrote:
> 'dma_mem->bitmap' is a bitmap. So use 'bitmap_zalloc()' to simplify code,
> improve the semantic and avoid some open-coded arithmetic in allocator
> arguments.

There is a cocci script for some of these.

https://lore.kernel.org/all/08b89608cfb1280624d1a89ead6547069f9a4c31.camel@perches.com/