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Michael Ellerman authored
The vmalloc code can track the physical address of a vma, when the vma is used for ioremap, if set it is displayed in /proc/vmallocinfo. Because get_vm_area_caller() doesn't know it's being called for ioremap() it's up to the arch code to set the phys_addr. A bunch of other arch's do this, I'm not sure why powerpc doesn't? Signed-off-by:
Michael Ellerman <michael@ellerman.id.au> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
7a9d1256