linux-kernel - Re: CONFIG_HIGHMEM4G and 1GB RAM

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Message-ID: <20070512130823.66bbeead@localhost.localdomain>
Date:	Sat, 12 May 2007 13:08:23 +0200
From:	Alejandro Riveira Fernández 
	<ariveira@...il.com>
To:	Matt Keenan <tank.en.mate@...il.com>
Cc:	William Lee Irwin III <wli@...omorphy.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Bradley Chapman <kakadu@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: CONFIG_HIGHMEM4G and 1GB RAM

El Mon, 30 Apr 2007 23:18:28 +0100
Matt Keenan <tank.en.mate@...il.com> escribió:

> William Lee Irwin III wrote:

> > The CONFIG_VMSPLIT config options were merged for such cases.
> >
> > It should be able to split on any 4MB-aligned boundary in
> > CONFIG_HIGHMEM4G. CONFIG_VMSPLIT_3G_OPT appears to do something of
> > this sort to use an entire 1GB RAM with minimal user address space
> > reduction.
> >
> > This is an ELF ABI violation but the number of major applications
> > that break is apparently low.
> >
> >   
> wine and some java implementations being two of the big caveats.

I'm happily using java6-jre and wine (latest versions) on self compiled
vanilla kernels with CONFIG_VMSPLIT_3G_OPT=y

For the record i use wine for utorrrent and SwitcherCADIII/LTspice and
java for sancho (front end to mldonkey). Some may think it is not a
heavy use

> 
> Matt
> 
Alejandro
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