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    SubjectRe: [PATCH 1/3] xen: off by one error in xen/setup.c
    On Tue, Aug 02, 2011 at 11:45:23AM +0200, Igor Mammedov wrote:
    > Do not try to initialize pfn beyond of available address space.
    >
    > Signed-off-by: Igor Mammedov <imammedo@redhat.com>
    > ---
    > arch/x86/xen/setup.c | 2 +-
    > 1 files changed, 1 insertions(+), 1 deletions(-)
    >
    > diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
    > index 60aeeb5..2221b05 100644
    > --- a/arch/x86/xen/setup.c
    > +++ b/arch/x86/xen/setup.c
    > @@ -69,7 +69,7 @@ static void __init xen_add_extra_mem(unsigned long pages)
    >
    > xen_max_p2m_pfn = PFN_DOWN(extra_start + size);
    >
    > - for (pfn = PFN_DOWN(extra_start); pfn <= xen_max_p2m_pfn; pfn++)
    > + for (pfn = PFN_DOWN(extra_start); pfn < xen_max_p2m_pfn; ++pfn)
    > __set_phys_to_machine(pfn, INVALID_P2M_ENTRY);

    Did this actually break anything?

    > }
    >
    > --
    > 1.7.5
    >
    > --
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