x86, shadow: Fix comment about Linux direct-map address.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

diff --git a/xen/arch/x86/mm/shadow/common.c b/xen/arch/x86/mm/shadow/common.c
index d5e4215926d2eaf072751f1d6f17d4b09a6880af..124b89bd9adbe14bf680198f9d3b3250ea0026e3 100644 (file)
--- a/xen/arch/x86/mm/shadow/common.c
+++ b/xen/arch/x86/mm/shadow/common.c
@@ -2386,7 +2386,7 @@ int sh_remove_write_access(struct vcpu *v, mfn_t gmfn,
             }
 
             /* 64bit Linux direct map at 0xffff880000000000; older kernels
-             * had it at 0xffff880000000000, and older kernels yet had it
+             * had it at 0xffff810000000000, and older kernels yet had it
              * at 0x0000010000000000UL */
             gfn = mfn_to_gfn(v->domain, gmfn); 
             GUESS(0xffff880000000000UL + (gfn << PAGE_SHIFT), 4);