[Xen-users] dom0's layout on physical memory?

[Min Lee <min.lee@xxxxxxxxxx>]

Hello, all
I thought dom0 is layed out on physical memory starting 0, linearly, but
this message,

(XEN) *** LOADING DOMAIN 0 ***
(XEN)  Xen  kernel: 64-bit, lsb, compat32
(XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x1d87000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   0000000c14000000->0000000c18000000 (498514 pages to 
be allocated)
shows the address range 0000000c14000000->0000000c18000000  ,
what is this? it's 64MB range and why 64MB from Dom0 is located here?
I think 498514 pages will be allocated later, but where, exactly??
if dom0's memory is partitioned into several places,
then, what happens to their GPFN??
thanks
Min

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