linux-kernel - Re: [PATCH 01/31] mm, gup: introduce concept of "foreign" get_user

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Date:	Tue, 9 Feb 2016 07:15:34 -0800
From:	Dave Hansen <dave@...1.net>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org,
	torvalds@...ux-foundation.org, dave.hansen@...ux.intel.com,
	srikar@...ux.vnet.ibm.com, vbabka@...e.cz,
	akpm@...ux-foundation.org, kirill.shutemov@...ux.intel.com,
	aarcange@...hat.com, n-horiguchi@...jp.nec.com, jack@...e.cz
Subject: Re: [PATCH 01/31] mm, gup: introduce concept of "foreign"
 get_user_pages()

On 02/09/2016 04:46 AM, Ingo Molnar wrote:
>  - introduce the new get_user_pages() but also add macros so that both 8-parameter 
>    and 7-parameter variants work without breaking the build. We can remove the 
>    compatibility wrapping on v4.6 or so.

Do you want this done with some __VA_ARGS__ macro trickery, or did you
have something else in mind?