linux-kernel - Re: HugeTLB: Driver example

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Message-ID: <20090914165435.GA21554@infradead.org>
Date:	Mon, 14 Sep 2009 12:54:35 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Alexey Korolev <akorolex@...il.com>
Cc:	Mel Gorman <mel@....ul.ie>, Eric Munson <linux-mm@...bm.net>,
	Alexey Korolev <akorolev@...radead.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: HugeTLB: Driver example

On Mon, Sep 14, 2009 at 05:30:12PM +1200, Alexey Korolev wrote:
> There is an example of simple driver which provides huge pages mapping
> for user level applications. The  procedure for mapping of huge pages
> to userspace by the driver is:
> 
> 1. Create a hugetlb file on vfs mount of hugetlbfs (h_file)

Note that to get your support code included at all you'll need a real
intree driver, not just an example.  That is if VM people are happy with
the general concept.

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