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Date: Mon, 3 Aug 2015 13:44:46 +0300
From: "Kirill A. Shutemov" <kirill@shutemov.name>
Subject: Re: [PATCHv9 29/36] thp: implement split_huge_pmd()
Message-ID: <20150803104446.GC25034@node.dhcp.inet.fi>
References: <1437402069-105900-1-git-send-email-kirill.shutemov@linux.intel.com>
 <1437402069-105900-30-git-send-email-kirill.shutemov@linux.intel.com>
 <55BB8F0F.8040903@redhat.com>
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To: Jerome Marchand <jmarchan@redhat.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, Andrew Morton <akpm@linux-foundation.org>, Andrea Arcangeli <aarcange@redhat.com>, Hugh Dickins <hughd@google.com>, Dave Hansen <dave.hansen@intel.com>, Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>, Vlastimil Babka <vbabka@suse.cz>, Christoph Lameter <cl@gentwo.org>, Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>, Steve Capper <steve.capper@linaro.org>, "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>, Johannes Weiner <hannes@cmpxchg.org>, Michal Hocko <mhocko@suse.cz>, Sasha Levin <sasha.levin@oracle.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org

On Fri, Jul 31, 2015 at 05:06:55PM +0200, Jerome Marchand wrote:
> On 07/20/2015 04:21 PM, Kirill A. Shutemov wrote:
> > Original split_huge_page() combined two operations: splitting PMDs into
> > tables of PTEs and splitting underlying compound page. This patch
> > implements split_huge_pmd() which split given PMD without splitting
> > other PMDs this page mapped with or underlying compound page.
> > 
> > Without tail page refcounting, implementation of split_huge_pmd() is
> > pretty straight-forward.
> 
> While it's significantly simpler than it used to be, straight-forward is
> still not the adjective which come to my mind.

The commit message was written to older revision :-P

-- 
 Kirill A. Shutemov

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