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Date: Wed, 4 Mar 2015 12:49:31 -0600 (CST)
From: Christoph Lameter <cl@linux.com>
Subject: Re: [PATCHv4 13/24] mm, vmstats: new THP splitting event
In-Reply-To: <1425486792-93161-14-git-send-email-kirill.shutemov@linux.intel.com>
Message-ID: <alpine.DEB.2.11.1503041249150.23719@gentwo.org>
References: <1425486792-93161-1-git-send-email-kirill.shutemov@linux.intel.com> <1425486792-93161-14-git-send-email-kirill.shutemov@linux.intel.com>
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Sender: owner-linux-mm@kvack.org
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To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Andrea Arcangeli <aarcange@redhat.com>, Dave Hansen <dave.hansen@intel.com>, Hugh Dickins <hughd@google.com>, Mel Gorman <mgorman@suse.de>, Rik van Riel <riel@redhat.com>, Vlastimil Babka <vbabka@suse.cz>, 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>, Jerome Marchand <jmarchan@redhat.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org

On Wed, 4 Mar 2015, Kirill A. Shutemov wrote:

> The patch replaces THP_SPLIT with tree events: THP_SPLIT_PAGE,
> THP_SPLIT_PAGE_FAILT and THP_SPLIT_PMD. It reflects the fact that we
> now can split PMD without the compound page and that split_huge_page()
> can fail.

Acked-by: Christoph Lameter <cl@linux.com>

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