8011161: NMT: Memory leak when encountering out of memory error while initializing memory snapshot Summary: Fix memory leaks when NMT fails to initialize snapshot and worker thread Reviewed-by: dcubed, ccheung, rdurbin

8003310: Enable -Wunused-function when compiling with gcc Summary: Add the -Wunused-function flag and remove a number of unused functions. Reviewed-by: dholmes, coleenp, kvn

8006103: [parfait] Possible null pointer dereference at hotspot/src/os/linux/vm/os_linux.cpp; os_windows.cpp; os_solaris.cpp; os_bsd.cpp Reviewed-by: zgu, iklam