From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
To: andi@firstfloor.org
Cc: fujita.tomonori@lab.ntt.co.jp, kamezawa.hiroyu@jp.fujitsu.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
minchan.kim@gmail.com
Subject: Re: [RFC][PATCH 1/3] contigous big page allocator
Date: Fri, 15 Oct 2010 00:09:47 +0900 [thread overview]
Message-ID: <20101015000416N.fujita.tomonori@lab.ntt.co.jp> (raw)
In-Reply-To: <20101014125519.GB13414@basil.fritz.box>
On Thu, 14 Oct 2010 14:55:19 +0200
Andi Kleen <andi@firstfloor.org> wrote:
> > I think that at least one mainline driver in arm uses such trick but I
> > can't recall the name. Better to ask on the arm mainling list. Also I
> > heard that the are some out-of-tree patches about this.
>
> I'm sure there are out of tree patches for lots of things,
> but at least in terms of merging mainline functionality
> use cases merged in the mainline tree are required.
I think that we already have drivers that need such feature in
mainline. They keep out-of-tree patches that give continuous memory to
these drivers reliably.
Anyway, Felipe pointed out one user. I also think that
drivers/media/video/videobuf-dma-contig.c also was already mentioned,
needs such feature.
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next prev parent reply other threads:[~2010-10-14 15:10 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-13 3:15 KAMEZAWA Hiroyuki
2010-10-13 3:17 ` [RFC][PATCH 2/3] find a contiguous range KAMEZAWA Hiroyuki
2010-10-17 3:18 ` Minchan Kim
2010-10-18 0:29 ` KAMEZAWA Hiroyuki
2010-10-13 3:18 ` [RFC][PATCH 3/3] alloc contig pages with migration KAMEZAWA Hiroyuki
2010-10-17 4:05 ` Minchan Kim
2010-10-18 0:35 ` KAMEZAWA Hiroyuki
2010-10-18 5:18 ` Minchan Kim
2010-10-18 5:31 ` KAMEZAWA Hiroyuki
2010-10-18 5:52 ` Minchan Kim
2010-10-18 5:52 ` KAMEZAWA Hiroyuki
2010-10-13 5:05 ` [RFC][PATCH 1/3] contigous big page allocator KOSAKI Motohiro
2010-10-13 7:01 ` Andi Kleen
2010-10-13 7:12 ` KAMEZAWA Hiroyuki
2010-10-13 8:36 ` Andi Kleen
2010-10-13 8:39 ` KAMEZAWA Hiroyuki
2010-10-14 1:59 ` KOSAKI Motohiro
2010-10-14 7:07 ` FUJITA Tomonori
2010-10-14 7:24 ` Andi Kleen
2010-10-14 8:36 ` FUJITA Tomonori
2010-10-14 12:55 ` Andi Kleen
2010-10-14 15:09 ` FUJITA Tomonori [this message]
2010-10-14 12:10 ` Felipe Contreras
2010-10-14 12:09 ` Felipe Contreras
2010-10-14 15:24 ` FUJITA Tomonori
2010-10-14 21:50 ` Felipe Contreras
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