linux-kernel - Re: [PATCHv5 17/28] mm, thp: remove infrastructure for handling splitting PMDs

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Message-ID: <20150430120344.GC15874@node.dhcp.inet.fi>
Date:	Thu, 30 Apr 2015 15:03:44 +0300
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Jerome Marchand <jmarchan@...hat.com>
Cc:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	Dave Hansen <dave.hansen@...el.com>,
	Mel Gorman <mgorman@...e.de>, Rik van Riel <riel@...hat.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Christoph Lameter <cl@...two.org>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Steve Capper <steve.capper@...aro.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.cz>,
	Sasha Levin <sasha.levin@...cle.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCHv5 17/28] mm, thp: remove infrastructure for handling
 splitting PMDs

On Wed, Apr 29, 2015 at 06:14:13PM +0200, Jerome Marchand wrote:
> On 04/23/2015 11:03 PM, Kirill A. Shutemov wrote:
> > With new refcounting we don't need to mark PMDs splitting. Let's drop code
> > to handle this.
> > 
> > Arch-specific code will removed separately.
> 
> This series only removed code from x86 arch. Does that mean other arches
> patches will come later?

Initially I hoped it will be just trivial dropping dead code and can be
done later. But we need to do a bit more at least for powerpc (see
patchset by Aneesh). I will need to check other arch's code.

-- 
 Kirill A. Shutemov
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