From: ebiederm@xmission.com (Eric W. Biederman)
To: Bob Zhang <zhanglinbao@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
hayfeng Lee <omycle@gmail.com>,
ak@linux.intel.com, Bob Zhang <2004.zhang@gmail.com>
Subject: Re: x86_64 virtual memory map
Date: Mon, 25 Jul 2011 03:33:53 -0700 [thread overview]
Message-ID: <m1ei1ewsxa.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <CAKdQVUaKea64ROeDo-SLRgQ3sHptyxD2TjKKgK5OmS+28Ee1zw@mail.gmail.com> (Bob Zhang's message of "Mon, 25 Jul 2011 18:17:05 +0800")
Bob Zhang <zhanglinbao@gmail.com> writes:
> I have HP's latest Proliant machine , The test involves using
> configurations of 1 TB of Ram then 2TB of RAM. The system ROM is
> reporting the proper amount of installed memory, however, Linux is
> only reporting 992GB with both 1TB and 2 TB of memory in the system.
> The customer has made the changes in the RMSU from 40 to 44 bit
> addressing when using the 2TB of memory but this does not change
> anything.
> I am using SLES 11 SP1 (linux kernel is 2.6.32)
> Does anyone have any idea how to get Linux to see the full amount of
> memory?
What does the e820 map printed by the kernel at the start of time
report? In particular is all of memory visible there?
Eric
next prev parent reply other threads:[~2011-07-25 10:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-25 2:20 x86_64 virtual memory map hayfeng Lee
2010-03-26 4:34 ` Eric W. Biederman
2011-07-25 10:13 ` Bob Zhang
2011-07-25 10:17 ` Bob Zhang
2011-07-25 10:33 ` Eric W. Biederman [this message]
2011-07-26 8:43 ` Bob Zhang
2011-07-26 19:26 ` Valdis.Kletnieks
2011-07-26 19:49 ` Andi Kleen
2011-07-27 7:13 ` Bob Zhang
2011-07-27 15:38 ` Andi Kleen
2011-08-19 15:13 ` Bob Zhang
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