linux-kernel - Re: [PATCH v10 00/21] Support ext4 on NV-DIMMs

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Message-ID: <20140828165012.GK3285@linux.intel.com>
Date:	Thu, 28 Aug 2014 12:50:12 -0400
From:	Matthew Wilcox <willy@...ux.intel.com>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Matthew Wilcox <matthew.r.wilcox@...el.com>,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 00/21] Support ext4 on NV-DIMMs

On Wed, Aug 27, 2014 at 06:30:27PM -0700, Andy Lutomirski wrote:
> 4) No page faults ever once a page is writable (I hope -- I'm not sure
> whether this series actually achieves that goal).

I can't think of a circumstance in which you'd end up taking a page fault
after a writable mapping is established.

The next part to this series (that I'm working on now) is PMD support.
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