linux-kernel - Re: mlock() on DAX returns -ENOMEM

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Message-ID: <20150414194416.GW4003@linux.intel.com>
Date:	Tue, 14 Apr 2015 15:44:16 -0400
From:	Matthew Wilcox <willy@...ux.intel.com>
To:	"Kirill A. Shutemov" <kirill@...temov.name>
Cc:	Yigal Korman <yigal@...xistor.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: mlock() on DAX returns -ENOMEM

On Tue, Apr 14, 2015 at 02:42:12PM +0300, Kirill A. Shutemov wrote:
> Or we can identify DAX mapping some other way. Or introduce VM_DAX.

IS_DAX(vma->vm_file->f_mapping->host)
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