--- old/src/share/vm/runtime/perfMemory.hpp	Tue Nov 18 10:41:55 2008
+++ new/src/share/vm/runtime/perfMemory.hpp	Tue Nov 18 10:41:55 2008
@@ -95,7 +95,7 @@
 } PerfDataEntry;
 
 // Prefix of performance data file.
-static const char PERFDATA_NAME[] = "hsperfdata";
+extern const char PERFDATA_NAME[];
 
 // UINT_CHARS contains the number of characters holding a process id
 // (i.e. pid). pid is defined as unsigned "int" so the maximum possible pid value
@@ -103,11 +103,6 @@
 // string.
 static const size_t UINT_CHARS = 10;
 
-// Add 1 for the '_' character between PERFDATA_NAME and pid. The '\0' terminating
-// character will be included in the sizeof(PERFDATA_NAME) operation.
-static const size_t PERFDATA_FILENAME_LEN = sizeof(PERFDATA_NAME) +
-                                            UINT_CHARS + 1;
-
 /* the PerfMemory class manages creation, destruction,
  * and allocation of the PerfData region.
  */