src/hotspot/share/runtime/os.cpp

*** 1676,1688 ****
  
  char* os::reserve_memory(size_t bytes, char* addr, size_t alignment_hint, int file_desc) {
    char* result = NULL;
  
    if (file_desc != -1) {
!     // Could have called pd_reserve_memory() followed by replace_existing_mapping_with_dax_file_mapping(),
      // but AIX may use SHM in which case its more trouble to detach the segment and remap memory to the file.
!     result = os::map_memory_to_dax_file(addr, bytes, file_desc);
      if (result != NULL) {
        MemTracker::record_virtual_memory_reserve_and_commit((address)result, bytes, CALLER_PC);
      }
    } else {
      result = pd_reserve_memory(bytes, addr, alignment_hint);
--- 1676,1688 ----
  
  char* os::reserve_memory(size_t bytes, char* addr, size_t alignment_hint, int file_desc) {
    char* result = NULL;
  
    if (file_desc != -1) {
!     // Could have called pd_reserve_memory() followed by replace_existing_mapping_with_file_mapping(),
      // but AIX may use SHM in which case its more trouble to detach the segment and remap memory to the file.
!     result = os::map_memory_to_file(addr, bytes, file_desc);
      if (result != NULL) {
        MemTracker::record_virtual_memory_reserve_and_commit((address)result, bytes, CALLER_PC);
      }
    } else {
      result = pd_reserve_memory(bytes, addr, alignment_hint);