Re: [CentOS] PXE booting HP BL25p - Smart Array extended biosdataarea problem

[Rodrigo Barbosa <rodrigob@xxxxxxxxxxxx>]

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On Fri, Jun 09, 2006 at 02:14:59PM +1200, Miskell, Craig wrote:
> I also thought that @ meant *only* use the specified region, but in
> hindsight that is not quite right.  If I now understand correctly, @
> forces the kernel to use memory it would not otherwise, and $ forces it
> to ignore memory that it would otherwise use.  Is that correct?

Thats what I understand from reading the docs:

        memmap=exactmap [KNL,IA-32] Enable setting of an exact
                        E820 memory map, as specified by the user.
                        Such memmap=exactmap lines can be constructed based on
                        BIOS output or other requirements. See the memmap=nn@ss
                        option description.

        memmap=nn[KMG]@ss[KMG]
                        [KNL] Force usage of a specific region of memory
                        Region of memory to be used, from ss to ss+nn.

        memmap=nn[KMG]#ss[KMG]
                        [KNL,ACPI] Mark specific memory as ACPI data.
                        Region of memory to be used, from ss to ss+nn.

        memmap=nn[KMG]$ss[KMG]
                        [KNL,ACPI] Mark specific memory as reserved.
                        Region of memory to be used, from ss to ss+nn.

- -- 
Rodrigo Barbosa
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)

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