x86/xen: correct bug in p2m list initialization

[cascardo/linux.git] / arch / x86 / xen / p2m.c

diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 740ae30..9f93af5 100644 (file)
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -563,7 +563,7 @@ static bool alloc_p2m(unsigned long pfn)
                if (p2m_pfn == PFN_DOWN(__pa(p2m_missing)))
                        p2m_init(p2m);
                else
-                       p2m_init_identity(p2m, pfn);
+                       p2m_init_identity(p2m, pfn & ~(P2M_PER_PAGE - 1));
 
                spin_lock_irqsave(&p2m_update_lock, flags);