x86/xen: fix arbitrary_virt_to_machine()

While I realize that the function isn't currently being used, I still
think an obvious mistake like this should be corrected.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 126766d43aea..3525ef523a74 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -60,7 +60,7 @@ xmaddr_t arbitrary_virt_to_machine(unsigned long address)
 {
         unsigned int level;
         pte_t *pte = lookup_address(address, &level);
-        unsigned offset = address & PAGE_MASK;
+        unsigned offset = address & ~PAGE_MASK;
 
         BUG_ON(pte == NULL);