Sorry that I accientally pushed the button before completing email. So
the full message is like below.
Hi,
In Linux kernel, we have unity-mapping feature, which maps the virtual
addresses in kernel area (above PAGE_OFFSET) to physical addresses in
the format:
y = x - PAGE_OFFSET
in which "y" is physical address corresponding to the virtual address "x"
I understand that this unity-mapping is correct with all the virtual
addresses in the range of [PAGE_OFFSET, ZONE-NORMAL\ area.
Is that assumption correct?
Thanks a lot,
H
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