* fhandler.h (fhandler_dev_mem): Erase member `init_phase' and

member function `init'.
        * fhandler_mem.cc: Add typedefs for NT internal data types
        `SYSTEM_INFORMATION_CLASS' and `SYSTEM_BASIC_INFORMATION'.
        Add prototype for `NtQuerySystemInformation' function.
        (fhandler_dev_mem::fhandler_dev_mem): Takes over initialization task
        from `init'. Use `NtQuerySystemInformation' function to evaluate the
        size of physical memory instead of interval search.
        (fhandler_dev_mem::init): Eliminated.
        (fhandler_dev_mem::open): Don't call `init'.
        (fhandler_dev_mem::read): Eliminate check for `init_phase'.
        (dummy_autoload): Add load statement for `NtQuerySystemInformation'.

winsup/cygwin/fhandler.h

@@ -776,9 +776,6 @@ protected:
   int unit;
   DWORD mem_size;
   DWORD pos;
-  bool init_phase;
-
-  void init (void);
 
 public:
   fhandler_dev_mem (const char *name, int unit);