Re: Question About Linux Memory Mapping

[Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>]

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Maybe O'Reilly is outdated?

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