--- a/usr/src/lib/libzpool/common/sys/zfs_context.h	Tue Sep 02 15:52:21 2008 -0600
+++ b/usr/src/lib/libzpool/common/sys/zfs_context.h	Tue Sep 02 15:57:54 2008 -0600
@@ -26,8 +26,6 @@
 #ifndef _SYS_ZFS_CONTEXT_H
 #define	_SYS_ZFS_CONTEXT_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #ifdef	__cplusplus
 extern "C" {
 #endif
@@ -161,6 +159,11 @@
  * existence for their counterparts in libzpool.
  */
 
+#ifdef DTRACE_PROBE
+#undef	DTRACE_PROBE
+#define	DTRACE_PROBE(a)	((void)0)
+#endif	/* DTRACE_PROBE */
+
 #ifdef DTRACE_PROBE1
 #undef	DTRACE_PROBE1
 #define	DTRACE_PROBE1(a, b, c)	((void)0)
@@ -442,6 +445,8 @@
 #define	kcred		NULL
 #define	CRED()		NULL
 
+#define	ptob(x)		((x) * PAGESIZE)
+
 extern uint64_t physmem;
 
 extern int highbit(ulong_t i);