[PATCH] x86/xen: fix arbitrary_virt_to_machine()

From: Jan Beulich
Date: Thu May 15 2008 - 08:24:52 EST


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@xxxxxxxxxx>

--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -60,7 +60,7 @@ xmaddr_t arbitrary_virt_to_machine(unsig
{
unsigned int level;
pte_t *pte = lookup_address(address, &level);
- unsigned offset = address & PAGE_MASK;
+ unsigned offset = address & (PAGE_SIZE - 1);

BUG_ON(pte == NULL);



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