linux-kernel - Re: [PATCH v17 1/7] mm: support madvise(MADV

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Message-ID: <20150204125218.GE29434@dhcp22.suse.cz>
Date:	Wed, 4 Feb 2015 13:52:18 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:	Minchan Kim <minchan@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-api@...r.kernel.org, Hugh Dickins <hughd@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Rik van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>, Jason Evans <je@...com>,
	zhangyanfei@...fujitsu.com,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [PATCH v17 1/7] mm: support madvise(MADV_FREE)

On Tue 03-02-15 17:39:24, Michael Kerrisk wrote:
[...]
> If I'm reading the conversation right, the initially proposed text 
> was from the BSD man page (which would be okay), but most of the 
> text above seems  to have come straight from the page here:
> http://www.lehman.cuny.edu/cgi-bin/man-cgi?madvise+3
> 
> Right?
> 
> Unfortunately, I don't think we can use that text. It's from the 
> Solaris man page as far as I can tell, and I doubt that it's 
> under a license that we can use.

Ohh, I wasn't aware of that restriction and didn't notice anything at
the man page nor http://www.lehman.cuny.edu/cgi-bin/man-cgi.
But you are definitely right that it would be better to not use this
source. Sorry about that, I should have noticed that myself.

> If that's the case, we need to go back and come up with an
> original text. It might draw inspiration from the Solaris page,
> and take actual text from the BSD page (which is under a free
> license), and it might also draw inspiration from Jon Corbet's 
> description at http://lwn.net/Articles/590991/. 
> 
> Could you take another shot this please!

Minchan is obviously working on one and I will review it once he is done
with it.
-- 
Michal Hocko
SUSE Labs
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