linux-kernel - Re: THP: AnonHugePages in /proc/[pid]/smaps is correct or not?

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Message-ID: <alpine.DEB.2.02.1304021106190.17138@chino.kir.corp.google.com>
Date:	Tue, 2 Apr 2013 11:09:01 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Simon Jeons <simon.jeons@...il.com>
cc:	Zhouping Liu <zliu@...hat.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Hugh Dickins <hughd@...gle.com>, Mel Gorman <mgorman@...e.de>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Amos Kong <akong@...hat.com>
Subject: Re: THP: AnonHugePages in /proc/[pid]/smaps is correct or not?

On Tue, 2 Apr 2013, Simon Jeons wrote:

> Both thp and hugetlb pages should be 2MB aligned, correct?
> 

To answer this question and your followup reply at the same time: they 
come from one level higher in the page table so they will naturally need 
to be 2MB aligned.
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