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Message-ID: <AANLkTi=mGPjL0T33cuYbpKyc=a3d9XTCJqwBLFqVmWpm@mail.gmail.com> Date: Thu, 14 Oct 2010 15:10:07 +0300 From: Felipe Contreras <felipe.contreras@...il.com> To: Andi Kleen <andi@...stfloor.org> Cc: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>, kamezawa.hiroyu@...fujitsu.com, linux-mm@...ck.org, linux-kernel@...r.kernel.org, minchan.kim@...il.com Subject: Re: [RFC][PATCH 1/3] contigous big page allocator On Thu, Oct 14, 2010 at 10:24 AM, Andi Kleen <andi@...stfloor.org> wrote: > On Thu, Oct 14, 2010 at 04:07:12PM +0900, FUJITA Tomonori wrote: >> On Wed, 13 Oct 2010 09:01:43 +0200 >> Andi Kleen <andi@...stfloor.org> wrote: >> >> > KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> writes: >> > > >> > > What this wants to do: >> > > allocates a contiguous chunk of pages larger than MAX_ORDER. >> > > for device drivers (camera? etc..) >> > >> > I think to really move forward you need a concrete use case >> > actually implemented in tree. >> >> As already pointed out, some embeded drivers need physcailly >> contignous memory. Currenlty, they use hacky tricks (e.g. playing with >> the boot memory allocators). There are several proposals for this like > > Are any of those in mainline? drivers/video/omap/ -- Felipe Contreras -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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