*** old/src/os/bsd/vm/os_bsd.cpp	Tue Jun  4 10:04:06 2013
--- new/src/os/bsd/vm/os_bsd.cpp	Tue Jun  4 10:04:05 2013

*** 624,635 ****
--- 624,633 ----
  
  
  //////////////////////////////////////////////////////////////////////////////
  // create new thread
  
  static address highest_vm_reserved_address();
  
  // check if it's safe to start a new thread
  static bool _thread_safety_check(Thread* thread) {
    return true;
  }
  

*** 2110,2123 ****
--- 2108,2117 ----
  
  bool os::pd_release_memory(char* addr, size_t size) {
    return anon_munmap(addr, size);
  }
  
  static address highest_vm_reserved_address() {
    return _highest_vm_reserved_address;
  }
  
  static bool bsd_mprotect(char* addr, size_t size, int prot) {
    // Bsd wants the mprotect address argument to be page aligned.
    char* bottom = (char*)align_size_down((intptr_t)addr, os::Bsd::page_size());
  
    // According to SUSv3, mprotect() should only be used with mappings

*** 2157,2203 ****
--- 2151,2160 ----
  
  bool os::Bsd::hugetlbfs_sanity_check(bool warn, size_t page_size) {
    return false;
  }
  
  /*
  * Set the coredump_filter bits to include largepages in core dump (bit 6)
  *
  * From the coredump_filter documentation:
  *
  * - (bit 0) anonymous private memory
  * - (bit 1) anonymous shared memory
  * - (bit 2) file-backed private memory
  * - (bit 3) file-backed shared memory
  * - (bit 4) ELF header pages in file-backed private memory areas (it is
  *           effective only if the bit 2 is cleared)
  * - (bit 5) hugetlb private memory
  * - (bit 6) hugetlb shared memory
  */
  static void set_coredump_filter(void) {
    FILE *f;
    long cdm;
  
    if ((f = fopen("/proc/self/coredump_filter", "r+")) == NULL) {
      return;
    }
  
    if (fscanf(f, "%lx", &cdm) != 1) {
      fclose(f);
      return;
    }
  
    rewind(f);
  
    if ((cdm & LARGEPAGES_BIT) == 0) {
      cdm |= LARGEPAGES_BIT;
      fprintf(f, "%#lx", cdm);
    }
  
    fclose(f);
  }
  
  // Large page support
  
  static size_t _large_page_size = 0;
  
  void os::large_page_init() {