Index: ntoskrnl/ps/psmgr.c
===================================================================
--- ntoskrnl/ps/psmgr.c	(revision 48965)
+++ ntoskrnl/ps/psmgr.c	(working copy)
@@ -208,7 +208,6 @@
     if (KeFeatureBits & KF_FAST_SYSCALL)
     {
         /* Get user-mode sysenter stub */
-        SharedUserdata->SystemCall = (PsNtosImageBase >> (PAGE_SHIFT + 1));
         Status = PspLookupSystemDllEntryPoint("KiFastSystemCall",
                                               (PVOID)&SharedUserData->
                                               SystemCall);