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xen: export arbitrary_virt_to_machine

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Fixes this build error:

 ERROR: "arbitrary_virt_to_machine" [drivers/xen/xen-gntdev.ko] undefined!

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stephen Rothwell 2011-01-15 10:36:26 +11:00 committed by Linus Torvalds
parent 3632ef8909
commit de23be5f35
1 changed files with 1 additions and 0 deletions
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arch/x86/xen/mmu.c
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@ -201,6 +201,7 @@ xmaddr_t arbitrary_virt_to_machine(void *vaddr)
offset = address & ~PAGE_MASK;
return XMADDR(((phys_addr_t)pte_mfn(*pte) << PAGE_SHIFT) + offset);
}
EXPORT_SYMBOL_GPL(arbitrary_virt_to_machine);
void make_lowmem_page_readonly(void *vaddr)
{