linux-kernel - Re: [RFC][PATCH 1/3] contigous big page allocator

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20101014072421.GA13414@basil.fritz.box>
Date:	Thu, 14 Oct 2010 09:24:21 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	andi@...stfloor.org, 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 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? 

-Andi
-- 
ak@...ux.intel.com -- Speaking for myself only.
--
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/