PERFORCE change 142346 for review

[John Birrell]

http://perforce.freebsd.org/chv.cgi?CH=142346

Change 142346 by jb at freebsd3 on 2008/05/27 03:28:59

	Add the definitions for the dtmalloc provider.

Affected files ...

.. //depot/projects/dtrace7/src/sys/sys/malloc.h#2 edit

Differences ...

==== //depot/projects/dtrace7/src/sys/sys/malloc.h#2 (text+ko) ====

@@ -29,7 +29,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)malloc.h	8.5 (Berkeley) 5/3/95
- * $FreeBSD: src/sys/sys/malloc.h,v 1.83 2005/12/30 11:45:07 pjd Exp $
+ * $FreeBSD: src/sys/sys/malloc.h,v 1.85 2008/05/23 00:43:35 jb Exp $
  */
 
 #ifndef _SYS_MALLOC_H_
@@ -80,7 +80,16 @@
 	uint64_t	_mts_reserved3;	/* Reserved field. */
 };
 
+/*
+ * Index definitions for the mti_probes[] array.
+ */
+#define DTMALLOC_PROBE_MALLOC		0
+#define DTMALLOC_PROBE_FREE		1
+#define DTMALLOC_PROBE_MAX		2
+
 struct malloc_type_internal {
+	uint32_t	mti_probes[DTMALLOC_PROBE_MAX];
+					/* DTrace probe ID array. */
 	struct malloc_type_stats	mti_stats[MAXCPU];
 };
 
@@ -173,7 +182,11 @@
 
 extern struct mtx malloc_mtx;
 
-/* XXX struct malloc_type is unused for contig*(). */
+/*
+ * Function type used when iterating over the list of malloc types.
+ */
+typedef void malloc_type_list_func_t(struct malloc_type *, void *);
+
 void	contigfree(void *addr, unsigned long size, struct malloc_type *type);
 void	*contigmalloc(unsigned long size, struct malloc_type *type, int flags,
 	    vm_paddr_t low, vm_paddr_t high, unsigned long alignment,
@@ -184,6 +197,7 @@
 int	malloc_last_fail(void);
 void	malloc_type_allocated(struct malloc_type *type, unsigned long size);
 void	malloc_type_freed(struct malloc_type *type, unsigned long size);
+void	malloc_type_list(malloc_type_list_func_t *, void *);
 void	malloc_uninit(void *);
 void	*realloc(void *addr, unsigned long size, struct malloc_type *type,
 	    int flags);