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Message-ID: <20090206175517.GR14011@random.random>
Date:	Fri, 6 Feb 2009 18:55:18 +0100
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	Greg KH <greg@...ah.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	mtk.manpages@...il.com, linux-man@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: open(2) says O_DIRECT works on 512 byte boundries?

On Tue, Feb 03, 2009 at 11:55:40AM +0900, KAMEZAWA Hiroyuki wrote:
> No need to make a patch for copy_hugetlb_page_range() ?
> IMHO, HugeTLB can be write-protected at fork().

Yeah that was entirely correct, thanks Kame! I reproduced it with
libhugetlbfs and verified it fixed it now.
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