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Subject__pa(vmalloc()) considered harmful?
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It sure doesn't make sense to me, but that's effectively what 
elf_kcore_store_hdr does:

for (m=vmlist; m; m=m->next) {
[ snip ]
phdr->p_paddr = __pa(m->addr);
[ snip ]
}

This doesn't actually hurt when __pa(addr) == addr - $SOMETHING, but it
does produce meaningless numbers.

It does hurt when your __pa() is something more complicated and it can
tell that it's being asked to do something stupid.

So what's p_paddr supposed to be, anyway?

Jeff

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