Question About Linux Memory Mapping

Drasko DRASKOVIC drasko.draskovic at gmail.com
Mon Feb 21 09:25:27 EST 2011


On Mon, Feb 21, 2011 at 2:13 PM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Mon, Feb 21, 2011 at 01:13:16PM +0100, Drasko DRASKOVIC wrote:
>> Thanks for your answers.
>>
>> I can see now that "mem" parameter is parsed in
>> arch/arm/kernel/setup.c, as Nicolas underlined. However, in my case
>> early_mem() is never called during the Linux boot.
>>
>> Does anybody have an idea why ?
>
> Maybe the command line setting is being ignored by your boot loader
> and the one built-in to the kernel is being used?
>
> Maybe your kernel is configured to ignore the command line supplied
> by your boot loader?
>
> Maybe you're setting it in the kernel build but not realising that
> the boot loader passed one is being used instead?

Turns out that I had badly formatted command line parameters. After
correcting this everything works fine.

Thanks again for the help.

BR,
Drasko



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