3 files changed, 18 insertions, 8 deletions
diff --git a/usr/src/lib/libumem/common/mapfile-vers b/usr/src/lib/libumem/common/mapfile-vers
index e95e666885..c2cdadf993 100644
--- a/usr/src/lib/libumem/common/mapfile-vers
+++ b/usr/src/lib/libumem/common/mapfile-vers
@@ -49,6 +49,10 @@ LOAD_SEGMENT umem {
 };
 $endif
 
+SYMBOL_VERSION ILLUMOS_0.1 {
+    global:
+	umem_setmtbf;
+} SUNW_1.1;
 
 SYMBOL_VERSION SUNW_1.1 {
     global:
diff --git a/usr/src/lib/libumem/common/umem.c b/usr/src/lib/libumem/common/umem.c
index 7f31529852..598a45eb39 100644
--- a/usr/src/lib/libumem/common/umem.c
+++ b/usr/src/lib/libumem/common/umem.c
@@ -395,8 +395,8 @@
  * umem_t that looks like:
  *
  * typedef struct {
- * 	size_t	tm_size;
- * 	void	*tm_roots[NTMEMBASE];  (Currently 16)
+ *	size_t	tm_size;
+ *	void	*tm_roots[NTMEMBASE];  (Currently 16)
  * } tmem_t;
  *
  * Each of the roots is treated as the head of a linked list. Each entry in the
@@ -560,10 +560,10 @@
  *
  *	o. _tmem_get_base(void)
  *
- * 	Returns the offset from the ulwp_t (curthread) to the tmem_t structure.
- * 	This is a constant for all threads and is effectively a way to to do
- * 	::offsetof ulwp_t ul_tmem without having to know the specifics of the
- * 	structure outside of libc.
+ *	Returns the offset from the ulwp_t (curthread) to the tmem_t structure.
+ *	This is a constant for all threads and is effectively a way to to do
+ *	::offsetof ulwp_t ul_tmem without having to know the specifics of the
+ *	structure outside of libc.
  *
  *	o. _tmem_get_nentries(void)
  *
@@ -3560,3 +3560,9 @@ fail:
 	(void) mutex_unlock(&umem_init_lock);
 	return (0);
 }
+
+void
+umem_setmtbf(uint32_t mtbf)
+{
+	umem_mtbf = mtbf;
+}
diff --git a/usr/src/lib/libumem/common/umem.h b/usr/src/lib/libumem/common/umem.h
index f8dc475297..62297be431 100644
--- a/usr/src/lib/libumem/common/umem.h
+++ b/usr/src/lib/libumem/common/umem.h
@@ -27,8 +27,6 @@
 #ifndef _UMEM_H
 #define	_UMEM_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/types.h>
 #include <sys/vmem.h>
 #include <stdlib.h>
@@ -79,6 +77,8 @@ extern void umem_cache_free(umem_cache_t *, void *);
 
 extern void umem_reap(void);
 
+extern void umem_setmtbf(uint32_t);
+
 #ifdef	__cplusplus
 }
 #endif