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Date: Wed, 11 Sep 2013 00:47:04 +0200
From: Andi Kleen <andi@firstfloor.org>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Mel Gorman <mgorman@suse.de>, Andrew Morton <akpm@linux-foundation.org>,
        linux-mm@kvack.org, Hugh Dickins <hughd@google.com>,
        KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
        Andi Kleen <andi@firstfloor.org>, Hillf Danton <dhillf@gmail.com>,
        Michal Hocko <mhocko@suse.cz>, Rik van Riel <riel@redhat.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
        Wanpeng Li <liwanp@linux.vnet.ibm.com>, linux-kernel@vger.kernel.org,
        Naoya Horiguchi <nao.horiguchi@gmail.com>
Subject: Re: [PATCH 5/9] mbind: add hugepage migration code to mbind()
Message-ID: <20130910224704.GD18242@two.firstfloor.org>
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> > It makes me wonder how actually useful generic hugetlbfs page migration
> > will be in practice. Are there really usecases where the system
> > administrator is willing to create unused hugepage pools on each node
> > just to enable migration?
> 
> Maybe most users don't want it.

I'm sure some power users will be willing to do that.
Of course for a lot of others THP is enough.

-Andi