linux-kernel - Re: linux-next: parsing mem=700M broken

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Message-ID: <Pine.LNX.4.64.0812241437230.15556@blonde.anvils>
Date:	Wed, 24 Dec 2008 14:44:35 +0000 (GMT)
From:	Hugh Dickins <hugh@...itas.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
cc:	Ingo Molnar <mingo@...e.hu>, Yinghai Lu <yinghai@...nel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: linux-next: parsing mem=700M broken

On Wed, 24 Dec 2008, Rusty Russell wrote:
> On Wednesday 24 December 2008 01:03:27 Ingo Molnar wrote:
> > * Yinghai Lu <yinghai@...nel.org> wrote:
> > > On Mon, Dec 22, 2008 at 7:06 PM, Hugh Dickins <hugh@...itas.com> wrote:
> > > >
> > > > I find that bootparam "mem=700M" isn't working in linux-next or mmotm,
> > > > and have bisected it down to your patch below; but now I'm off to bed
> > > > without working out just what goes wrong (I'll bet it's the "=").
                                                 (I lost that bet)
> 
> Thanks for the report and analysis.
> 
> > Rusty, will you fix or revert it?
> 
> mem= is actually easy, memmap= is harder.  This is tested and pushed.

Thanks, that gets my "mem=700M" respected on x86_32 and x86_64.
But (of course: it's a patch to arch/x86) doesn't help at all on
ppc64; and I presume other architectures also remain broken...

Hugh
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