linux-kernel - Re: [PATCH 1/2] mm: introduce put_user

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Date:   Mon, 9 Jul 2018 11:48:44 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     kbuild test robot <lkp@...el.com>, <john.hubbard@...il.com>
CC:     <kbuild-all@...org>, Matthew Wilcox <willy@...radead.org>,
        Michal Hocko <mhocko@...nel.org>,
        Christopher Lameter <cl@...ux.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Dan Williams <dan.j.williams@...el.com>,
        Jan Kara <jack@...e.cz>, Al Viro <viro@...iv.linux.org.uk>,
        <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
        linux-rdma <linux-rdma@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH 1/2] mm: introduce put_user_page(), placeholder version

On 07/09/2018 03:08 AM, kbuild test robot wrote:
> Hi John,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on linus/master]
...
> 
>>> drivers/platform//goldfish/goldfish_pipe.c:334:13: error: conflicting types for 'release_user_pages'
>     static void release_user_pages(struct page **pages, int pages_count,
>                 ^~~~~~~~~~~~~~~~~~

Yes. Patches #1 and #2 need to be combined here. I'll do that in the next version, which will probably include several of the easier put_user_page() conversions, as well.

thanks,
-- 
John Hubbard
NVIDIA