src/share/vm/runtime/os.cpp

rev 4525 : 8014611: reserve_and_align() assumptions are invalid on windows
Summary: also reviewed by ron.durbin@oracle.com, thomas.schatzl@oracle.com
Reviewed-by: dcubed, brutisso

*** 1459,1468 ****
--- 1459,1474 ----
      MemTracker::record_virtual_memory_release((address)addr, bytes);
    }
    return res;
  }
  
+ bool os::release_or_uncommit_partial_region(char * addr, size_t bytes) {
+   if (can_release_partial_region()) {
+     return release_memory(addr, bytes);
+   }
+   return uncommit_memory(addr, bytes);
+ }
  
  char* os::map_memory(int fd, const char* file_name, size_t file_offset,
                             char *addr, size_t bytes, bool read_only,
                             bool allow_exec) {
    char* result = pd_map_memory(fd, file_name, file_offset, addr, bytes, read_only, allow_exec);