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Message-Id: <20090611112159.9be7477f.kamezawa.hiroyu@jp.fujitsu.com> Date: Thu, 11 Jun 2009 11:21:59 +0900 From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> To: Yinghai Lu <yhlu.kernel@...il.com> Cc: "Trenton D. Adams" <trenton.d.adams@...il.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: Macbook 4G only see 3G On Wed, 10 Jun 2009 17:54:39 -0700 Yinghai Lu <yhlu.kernel@...il.com> wrote: > On Wed, Jun 10, 2009 at 5:47 PM, Trenton D. > Adams<trenton.d.adams@...il.com> wrote: > > Hi Guys, > > > > Has anyone been doing any development in the area of enabling 4G for > > any PC that doesn't have an option in the BIOS? The Mac OS X sees the > > full 4G, but Linux does not. > > > > tdamac ~ # uname -a > > Linux tdamac 2.6.30-rc7-dirty #3 SMP Fri Jun 5 21:24:29 MDT 2009 > > x86_64 Intel(R) Core(TM)2 CPU T7400 @ 2.16GHz GenuineIntel GNU/Linux > > boot log? > I bet you should set CONFIG_HIGHMEM64G or use x86-64 kernel because of 1G of memory hole somewhere below 4G. Thanks, -Kame > YH > -- > 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/ > -- 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/
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