From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: Question About Linux Memory Mapping
Date: Fri, 18 Feb 2011 21:55:09 +0000 [thread overview]
Message-ID: <20110218215509.GB19427@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <AANLkTinUoFzzx4hM8SpUt-mpjn1Z5xmrDqmXwuELuu3e@mail.gmail.com>
On Fri, Feb 18, 2011 at 09:56:28PM +0100, Drasko DRASKOVIC wrote:
> Hi all,
> in the article Booting ARM Linux :
> http://www.simtec.co.uk/products/SWLINUX/files/booting_article.html
> I can see that mem map is passed via ATAG_MEM. However, in the same
> article it is mentioned that this information can also be passed via
> kernel command line paramters, mem=<size>[KM][,@<phys_offset>].
Why do you discard this information soo lightly? Did you try it?
> However, this does not seem to be true, as "mem" command line
> parameter seems to be formated like this : mem= n[KMG] (i.e. no
> offset), regarding to this reference :
> http://oreilly.com/linux/excerpts/9780596100797/kernel-boot-command-line-parameter-reference.html.
> Seems like memmap should be used instead.
Maybe O'Reilly is outdated?
next prev parent reply other threads:[~2011-02-18 21:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-18 20:56 Question About Linux Memory Mapping Drasko DRASKOVIC
2011-02-18 21:55 ` Russell King - ARM Linux [this message]
2011-02-18 22:04 ` Nicolas Pitre
2011-02-19 20:22 ` Marek Vasut
2011-02-21 5:27 ` hong zhang
2011-02-21 12:13 ` Drasko DRASKOVIC
2011-02-21 13:13 ` Russell King - ARM Linux
2011-02-21 14:25 ` Drasko DRASKOVIC
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