linux-kernel - [PATCH 0/2] mm: thp: get_huge_page

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Message-ID: <20131216201900.GA6616@redhat.com>
Date:	Mon, 16 Dec 2013 21:19:00 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dave Jones <davej@...hat.com>,
	Darren Hart <dvhart@...ux.intel.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Mel Gorman <mgorman@...e.de>
Subject: [PATCH 0/2] mm: thp: get_huge_page_tail() cleanups

On top of

	mm-tail-page-refcounting-optimization-for-slab-and-hugetlbfs.patch

should not be applied without the ack from Andrea.

On 12/13, Andrea Arcangeli wrote:
>
> The above diff looks a straightforward cleanup you could submit it as
> a separate patch in a v2 series.

OK, let me send this separately, because (afaics) put_compound_tail()
needs more thinking.

See also 2/2. Again, I won't argue if you dislike this change even if
it is correct, so please review and ack/nack. To me compound_head() in
get_huge_page_tail() looks confusing, as if get_huge_page_tail() can
accept a !PageTail page. But perhaps this is only because I am new to
this code.

Oleg.

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