linux-kernel - Re: please don't apply : bootmem: avoid DMA32 zone by default

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Message-Id: <20100307124826.6c70a779.sfr@canb.auug.org.au>
Date:	Sun, 7 Mar 2010 12:48:26 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Greg Thelen <gthelen@...gle.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	Johannes Weiner <hannes@...xchg.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: please don't apply : bootmem: avoid DMA32 zone by default

Hi Paul,

On Sun, 7 Mar 2010 12:03:27 +1100 Paul Mackerras <paulus@...ba.org> wrote:
>
> On Sat, Mar 06, 2010 at 04:22:34PM -0800, Andrew Morton wrote:
> > Earlier, Johannes wrote
> > 
> > : Humm, now that is a bit disappointing.  Because it means we will never
> > : get rid of bootmem as long as it works for the other architectures. 
> > : And your changeset just added ~900 lines of code, some of it being a
> > : rather ugly compatibility layer in bootmem that I hoped could go away
> > : again sooner than later.
> 
> Whoa!  Who's proposing to get rid of bootmem, and why?

I assume that is the point of the "early_res" work already in Linus' tree
starting from commit 27811d8cabe56e0c3622251b049086f49face4ff ("x86: Move
range related operation to one file").

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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