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Message-ID: <20191104165221.GC5134@redhat.com>
Date:   Mon, 4 Nov 2019 11:52:21 -0500
From:   Jerome Glisse <jglisse@...hat.com>
To:     John Hubbard <jhubbard@...dia.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Alex Williamson <alex.williamson@...hat.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Björn Töpel <bjorn.topel@...el.com>,
        Christoph Hellwig <hch@...radead.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Dave Chinner <david@...morbit.com>,
        David Airlie <airlied@...ux.ie>,
        "David S . Miller" <davem@...emloft.net>,
        Ira Weiny <ira.weiny@...el.com>, Jan Kara <jack@...e.cz>,
        Jason Gunthorpe <jgg@...pe.ca>, Jens Axboe <axboe@...nel.dk>,
        Jonathan Corbet <corbet@....net>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Hocko <mhocko@...e.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Paul Mackerras <paulus@...ba.org>,
        Shuah Khan <shuah@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>, bpf@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, kvm@...r.kernel.org,
        linux-block@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-media@...r.kernel.org, linux-rdma@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, netdev@...r.kernel.org,
        linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 03/18] goldish_pipe: rename local pin_user_pages()
 routine

On Sun, Nov 03, 2019 at 01:17:58PM -0800, John Hubbard wrote:
> 1. Avoid naming conflicts: rename local static function from
> "pin_user_pages()" to "pin_goldfish_pages()".
> 
> An upcoming patch will introduce a global pin_user_pages()
> function.
> 
> Reviewed-by: Ira Weiny <ira.weiny@...el.com>
> Signed-off-by: John Hubbard <jhubbard@...dia.com>

Reviewed-by: Jérôme Glisse <jglisse@...hat.com>

> ---
>  drivers/platform/goldfish/goldfish_pipe.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
> index cef0133aa47a..7ed2a21a0bac 100644
> --- a/drivers/platform/goldfish/goldfish_pipe.c
> +++ b/drivers/platform/goldfish/goldfish_pipe.c
> @@ -257,12 +257,12 @@ static int goldfish_pipe_error_convert(int status)
>  	}
>  }
>  
> -static int pin_user_pages(unsigned long first_page,
> -			  unsigned long last_page,
> -			  unsigned int last_page_size,
> -			  int is_write,
> -			  struct page *pages[MAX_BUFFERS_PER_COMMAND],
> -			  unsigned int *iter_last_page_size)
> +static int pin_goldfish_pages(unsigned long first_page,
> +			      unsigned long last_page,
> +			      unsigned int last_page_size,
> +			      int is_write,
> +			      struct page *pages[MAX_BUFFERS_PER_COMMAND],
> +			      unsigned int *iter_last_page_size)
>  {
>  	int ret;
>  	int requested_pages = ((last_page - first_page) >> PAGE_SHIFT) + 1;
> @@ -354,9 +354,9 @@ static int transfer_max_buffers(struct goldfish_pipe *pipe,
>  	if (mutex_lock_interruptible(&pipe->lock))
>  		return -ERESTARTSYS;
>  
> -	pages_count = pin_user_pages(first_page, last_page,
> -				     last_page_size, is_write,
> -				     pipe->pages, &iter_last_page_size);
> +	pages_count = pin_goldfish_pages(first_page, last_page,
> +					 last_page_size, is_write,
> +					 pipe->pages, &iter_last_page_size);
>  	if (pages_count < 0) {
>  		mutex_unlock(&pipe->lock);
>  		return pages_count;
> -- 
> 2.23.0
> 

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