linux-kernel - Re: [PATCH v2] mm: Remove src/dst mm parameter in copy_page

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Message-ID: <20201005120735.hx55z63vlmgr5jhy@box>
Date:   Mon, 5 Oct 2020 15:07:35 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Peter Xu <peterx@...hat.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Jason Gunthorpe <jgg@...pe.ca>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2] mm: Remove src/dst mm parameter in copy_page_range()

On Fri, Oct 02, 2020 at 03:26:47PM -0400, Peter Xu wrote:
> Both of the mm pointers are not needed after commit 7a4830c380f3 ("mm/fork:
> Pass new vma pointer into copy_page_range()").
> 
> Jason Gunthorpe also reported that the ordering of copy_page_range() is odd.
> Since working at it, reorder the parameters to be logical, by (1) always put
> the dst_* fields to be before src_* fields, and (2) keep the same type of
> parameters together.
> 
> CC: Jason Gunthorpe <jgg@...pe.ca>
> CC: Andrew Morton <akpm@...ux-foundation.org>
> Reported-by: Kirill A. Shutemov <kirill@...temov.name>
> Signed-off-by: Peter Xu <peterx@...hat.com>

Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

-- 
 Kirill A. Shutemov