From: William Lee Irwin III <wli@holomorphy.com>
To: Ken Chen <kenchen@google.com>
Cc: Adam Litke <agl@us.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Arjan van de Ven <arjan@infradead.org>,
Christoph Hellwig <hch@infradead.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] rfc: introduce /dev/hugetlb
Date: Fri, 23 Mar 2007 08:03:46 -0700 [thread overview]
Message-ID: <20070323150346.GU2986@holomorphy.com> (raw)
In-Reply-To: <b040c32a0703230144r635d7902g2c36ecd7f412be31@mail.gmail.com>
On Fri, Mar 23, 2007 at 01:44:38AM -0700, Ken Chen wrote:
> I think we have enough infrastructure currently in hugetlbfs to
> implement what Adam wants for something like a /dev/hugetlb char
> device (except we can't afford to have a zero hugetlb page since it
> will be too costly on some arch).
> I really like the idea of having something similar to /dev/zero for
> hugetlb page. So I coded it up on top of existing hugetlbfs. The
> core change is really small and half of the patch is really just
> moving things around. I think this at least can partially fulfill the
> goal.
> Signed-off-by: Ken Chen <kenchen@google.com>
I like this patch a lot, though I'm not likely to get around to testing
it today. If userspace testcode is available that would be great to see
posted so I can just boot into things and run that.
-- wli
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next prev parent reply other threads:[~2007-03-23 15:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-23 8:44 Ken Chen
2007-03-23 15:03 ` William Lee Irwin III [this message]
2007-03-23 21:56 ` Ken Chen
2007-03-23 15:03 ` Mel Gorman
2007-03-23 15:09 ` William Lee Irwin III
2007-03-23 15:15 ` Mel Gorman
2007-03-23 15:30 ` William Lee Irwin III
2007-03-23 22:04 ` Ken Chen
2007-03-23 21:08 ` Benjamin Herrenschmidt
2007-03-24 4:58 ` Andrew Morton
2007-03-24 5:32 ` Nish Aravamudan
2007-03-24 6:12 ` Andrew Morton
2007-03-24 6:57 ` Sam Ravnborg
2007-03-24 7:41 ` Andrew Morton
2007-03-24 7:11 ` Ken Chen
2007-03-24 7:39 ` Andrew Morton
2007-03-25 10:22 ` Arjan van de Ven
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