linux-kernel - Re: 2.6.32-rc3: low mem - only 378MB on x86

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Message-Id: <200910061106.33718.tvrtko.ursulin@sophos.com>
Date:	Tue, 6 Oct 2009 11:06:33 +0100
From:	Tvrtko Ursulin <tvrtko.ursulin@...hos.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Jeff Chua <jeff.chua.linux@...il.com>,
	"Valdis.Kletnieks@...edu" <Valdis.Kletnieks@...edu>,
	Tomasz Chmielewski <mangoo@...g.org>,
	Daniel J Blueman <daniel.blueman@...il.com>,
	Byron Stanoszek <bstanoszek@...time.com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hugh@...itas.com>
Subject: Re: 2.6.32-rc3: low mem - only 378MB on x86_32 with 64GB. Why?

On Tuesday 06 October 2009 01:30:51 Linus Torvalds wrote:
> On Tue, 6 Oct 2009, Jeff Chua wrote:
> > Loud and clear. And appreciated all the replies. I think it's time for
> > upgrade!
>
> As Byron said, it really should be sufficient to just upgrade the kernel
> (I presume that you already have a CPU that is 64-bit capable: not very
> many boards with old CPU's can even fit 64GB of ram).
>
> In fact, I wish more people did that, just so that we'd get better
> coverage of the 32-bit compat code. We occasionally find issues there,
> although I think it's getting rarer.

Maybe convince some distro to offer this setup as an option at least? I always 
wondered why no one has, or maybe I missed it.

Tvrtko

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