linux-kernel - Re: [PATCH 1/5] swiotlb: Introduce swiotlb_max_mapping

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Date:   Wed, 23 Jan 2019 22:28:13 +0100
From:   Christoph Hellwig <hch@....de>
To:     Joerg Roedel <joro@...tes.org>
Cc:     "Michael S . Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>,
        virtualization@...ts.linux-foundation.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        iommu@...ts.linux-foundation.org, jfehlig@...e.com,
        jon.grimm@....com, brijesh.singh@....com, jroedel@...e.de
Subject: Re: [PATCH 1/5] swiotlb: Introduce swiotlb_max_mapping_size()

On Wed, Jan 23, 2019 at 05:30:45PM +0100, Joerg Roedel wrote:
> +extern size_t swiotlb_max_mapping_size(struct device *dev);

No need for the extern keyword on function declarations in headers.