On Mon, 2010-11-29 at 15:56 +1100, Benjamin Herrenschmidt wrote: > On Mon, 2010-11-29 at 15:26 +1100, Michael Ellerman wrote: > > 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? > > Because I never noticed ? :-)
Yeah I figured. It seems to go back past 2.6.12 so who knows when it went in, anyway it's useful. cheers
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