bug#7864 - fix ndb limit 4.5G data memory due to truncation error

ndb/src/kernel/blocks/dbtup/DbtupGen.cpp:
  remove 8k->32k conversion
ndb/src/kernel/vm/Configuration.cpp:
  compute size in 32k pages directly

ndb/src/kernel/blocks/dbtup/DbtupGen.cpp

@@ -633,13 +633,10 @@ void Dbtup::execREAD_CONFIG_REQ(Signal* signal)
 
   ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_TUP_OP_RECS, &cnoOfOprec));
   
-  // MemorySpaceTuples is specified in 8k pages, divide by 4 for 32k pages
-  Uint32 tmp;
-  ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_TUP_PAGE, &tmp));
-  Uint64 pages = (tmp * 2048 + (ZWORDS_ON_PAGE - 1))/ (Uint64)ZWORDS_ON_PAGE;
-  cnoOfPage = (Uint32)pages;
+  ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_TUP_PAGE, &cnoOfPage));
   Uint32 noOfTriggers= 0;
   
+  Uint32 tmp= 0;
   ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_TUP_PAGE_RANGE, &tmp));
   initPageRangeSize(tmp);
   ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_TUP_TABLE, &cnoOfTablerec));

ndb/src/kernel/vm/Configuration.cpp

@@ -521,7 +521,7 @@ Configuration::calcSizeAlt(ConfigValues * ownConfig){
     ERROR_SET(fatal, ERR_INVALID_CONFIG, msg, buf);
   }
 
-  noOfDataPages = (dataMem / 8192);
+  noOfDataPages = (dataMem / 32768);
   noOfIndexPages = (indexMem / 8192);
 
   for(unsigned j = 0; j<LogLevel::LOGLEVEL_CATEGORIES; j++){