xnu-1486.2.11.tar.gz

[apple/xnu.git] / osfmk / kern / host_statistics.h

diff --git a/osfmk/kern/host_statistics.h b/osfmk/kern/host_statistics.h
index c391806d1ff34a04811625203b156ed96d0beaf8..a1471c6f47692e4fdc1f0c786c6e03b50f8af477 100644 (file)
--- a/osfmk/kern/host_statistics.h
+++ b/osfmk/kern/host_statistics.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -38,14 +38,21 @@
 #ifndef        _KERN_HOST_STATISTICS_H_
 #define _KERN_HOST_STATISTICS_H_
 
+#include <libkern/OSAtomic.h>
 #include <mach/vm_statistics.h>
 #include <kern/processor.h>
 
-#define        VM_STAT(event)                                                                  \
+
+#if defined(__ppc__) /* On ppc, vm statistics are still 32-bit */
+#define        VM_STAT_INCR(event)                                                                     \
 MACRO_BEGIN                                                                                    \
-       disable_preemption();                                                           \
-       PROCESSOR_DATA(current_processor(), vm_stat).event;     \
-       enable_preemption();                                                            \
+       OSAddAtomic(1, (SInt32 *) (&(PROCESSOR_DATA(current_processor(), vm_stat).event)));     \
+MACRO_END
+#else /* !(defined(__ppc__)) */
+#define VM_STAT_INCR(event)                                                                    \
+MACRO_BEGIN                                                                                    \
+       OSAddAtomic64(1, (SInt64 *) (&(PROCESSOR_DATA(current_processor(), vm_stat).event)));   \
 MACRO_END
+#endif /* !(defined(__ppc__)) */
 
 #endif /* _KERN_HOST_STATISTICS_H_ */