diff -r 50369728b00e -r 89beae49867c hotspot/src/os/linux/vm/os_linux.cpp
--- a/hotspot/src/os/linux/vm/os_linux.cpp	Thu Dec 11 13:11:53 2014 -0800
+++ b/hotspot/src/os/linux/vm/os_linux.cpp	Thu Dec 11 15:06:12 2014 -0800
@@ -68,6 +68,7 @@
 #include "utilities/events.hpp"
 #include "utilities/elfFile.hpp"
 #include "utilities/growableArray.hpp"
+#include "utilities/macros.hpp"
 #include "utilities/vmError.hpp"
 
 // put OS-includes here
@@ -339,15 +340,13 @@
 // Base path of extensions installed on the system.
 #define SYS_EXT_DIR     "/usr/java/packages"
 #define EXTENSIONS_DIR  "/lib/ext"
-#define ENDORSED_DIR    "/lib/endorsed"
 
   // Buffer that fits several sprintfs.
   // Note that the space for the colon and the trailing null are provided
   // by the nulls included by the sizeof operator.
   const size_t bufsize =
-    MAX3((size_t)MAXPATHLEN,  // For dll_dir & friends.
-         (size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR) + sizeof(SYS_EXT_DIR) + sizeof(EXTENSIONS_DIR), // extensions dir
-         (size_t)MAXPATHLEN + sizeof(ENDORSED_DIR)); // endorsed dir
+    MAX2((size_t)MAXPATHLEN,  // For dll_dir & friends.
+         (size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR) + sizeof(SYS_EXT_DIR) + sizeof(EXTENSIONS_DIR)); // extensions dir
   char *buf = (char *)NEW_C_HEAP_ARRAY(char, bufsize, mtInternal);
 
   // sysclasspath, java_home, dll_dir
@@ -405,23 +404,18 @@
                                                      mtInternal);
     sprintf(ld_library_path, "%s%s" SYS_EXT_DIR "/lib/%s:" DEFAULT_LIBPATH, v, v_colon, cpu_arch);
     Arguments::set_library_path(ld_library_path);
-    FREE_C_HEAP_ARRAY(char, ld_library_path, mtInternal);
+    FREE_C_HEAP_ARRAY(char, ld_library_path);
   }
 
   // Extensions directories.
   sprintf(buf, "%s" EXTENSIONS_DIR ":" SYS_EXT_DIR EXTENSIONS_DIR, Arguments::get_java_home());
   Arguments::set_ext_dirs(buf);
 
-  // Endorsed standards default directory.
-  sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home());
-  Arguments::set_endorsed_dirs(buf);
-
-  FREE_C_HEAP_ARRAY(char, buf, mtInternal);
+  FREE_C_HEAP_ARRAY(char, buf);
 
 #undef DEFAULT_LIBPATH
 #undef SYS_EXT_DIR
 #undef EXTENSIONS_DIR
-#undef ENDORSED_DIR
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -1622,11 +1616,11 @@
     // release the storage
     for (int i = 0; i < n; i++) {
       if (pelements[i] != NULL) {
-        FREE_C_HEAP_ARRAY(char, pelements[i], mtInternal);
+        FREE_C_HEAP_ARRAY(char, pelements[i]);
       }
     }
     if (pelements != NULL) {
-      FREE_C_HEAP_ARRAY(char*, pelements, mtInternal);
+      FREE_C_HEAP_ARRAY(char*, pelements);
     }
   } else {
     snprintf(buffer, buflen, "%s/lib%s.so", pname, fname);
@@ -2943,7 +2937,7 @@
       }
     }
   }
-  FREE_C_HEAP_ARRAY(unsigned long, cpu_map, mtInternal);
+  FREE_C_HEAP_ARRAY(unsigned long, cpu_map);
 }
 
 int os::Linux::get_node_by_cpu(int cpu_id) {
@@ -3791,6 +3785,10 @@
   return ::read(fd, buf, nBytes);
 }
 
+size_t os::read_at(int fd, void *buf, unsigned int nBytes, jlong offset) {
+  return ::pread(fd, buf, nBytes, offset);
+}
+
 // Short sleep, direct OS call.
 //
 // Note: certain versions of Linux CFS scheduler (since 2.6.23) do not guarantee