Message-ID: <55BB8BCC.9010302@redhat.com>
Date: Fri, 31 Jul 2015 16:53:00 +0200
From: Jerome Marchand <jmarchan@redhat.com>
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To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Hugh Dickins <hughd@google.com>
CC: 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
Subject: Re: [PATCHv9 15/36] ksm: prepare to new THP semantics
References: <1437402069-105900-1-git-send-email-kirill.shutemov@linux.intel.com> <1437402069-105900-16-git-send-email-kirill.shutemov@linux.intel.com>
In-Reply-To: <1437402069-105900-16-git-send-email-kirill.shutemov@linux.intel.com>
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On 07/20/2015 04:20 PM, Kirill A. Shutemov wrote:
> We don't need special code to stabilize THP. If you've got reference to=

> any subpage of THP it will not be split under you.
>=20
> New split_huge_page() also accepts tail pages: no need in special code
> to get reference to head page.
>=20
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Tested-by: Sasha Levin <sasha.levin@oracle.com>
> Tested-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> Acked-by: Vlastimil Babka <vbabka@suse.cz>

Acked-by: Jerome Marchand <jmarchan@redhat.com>

> ---
>  mm/ksm.c | 57 ++++++++++----------------------------------------------=
-
>  1 file changed, 10 insertions(+), 47 deletions(-)
>=20


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