From: "H. Peter Anvin" <hpa@zytor.com>
To: Ravi K <kravi26@yahoo.com>
Cc: kernelnewbies@nl.linux.org, linux-mm@kvack.org
Subject: Re: Maximum physical memory on i386 platform
Date: Wed, 02 Jan 2002 17:27:26 -0800 [thread overview]
Message-ID: <3C33B37E.4050604@zytor.com> (raw)
In-Reply-To: 20020102222026.69416.qmail@web12304.mail.yahoo.com
Ravi K wrote:
> Hi,
> The configuration help for HIGHMEM feature on i386
> platform states that 'Linux can use up to 64 Gigabytes
> of physical memory on x86 systems'. I see a problem
> with this:
> - page structures needed to support 64GB would take
> up 1GB memory (64 bytes per page of size 4k)
64GB is physical memory, not virtual memory.
-hpa
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next prev parent reply other threads:[~2002-01-03 1:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-02 22:20 Maximum physical memory on i386 platform Ravi K
2002-01-03 1:27 ` H. Peter Anvin [this message]
2002-01-02 22:46 ` Joseph A Knapka
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