Merge perch.ndb.mysql.com:/home/jonas/src/50-work

into  perch.ndb.mysql.com:/home/jonas/src/51-work

storage/ndb/src/common/debugger/EventLogger.cpp

@@ -683,7 +683,7 @@ void getTextMemoryUsage(QQQQ) {
   const int used = theData[3];
   const int total = theData[4];
   const int block = theData[5];
-  const int percent = (used*100)/total;
+  const int percent = total ? (used*100)/total : 0;
   
   BaseString::snprintf(m_text, m_text_len,
 		       "%s usage %s %d%s(%d %dK pages of total %d)",

storage/ndb/src/kernel/blocks/dbacc/DbaccInit.cpp

@@ -42,6 +42,7 @@ void Dbacc::initData()
   scanRec = 0;
   tabrec = 0;
 
+  cnoOfAllocatedPages = cpagesize = 0;
   // Records with constant sizes
 }//Dbacc::initData()
 

storage/ndb/src/kernel/blocks/dbacc/DbaccMain.cpp

@@ -113,7 +113,7 @@ void Dbacc::execCONTINUEB(Signal* signal)
   case ZREPORT_MEMORY_USAGE:{
     jam();
     static int c_currentMemUsed = 0;
-    int now = (cnoOfAllocatedPages * 100)/cpagesize;
+    int now = cpagesize ? (cnoOfAllocatedPages * 100)/cpagesize : 0;
     const int thresholds[] = { 99, 90, 80, 0};
     
     Uint32 i = 0;

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

@@ -169,7 +169,8 @@ void Dbtup::execCONTINUEB(Signal* signal)
   case ZREPORT_MEMORY_USAGE:{
     ljam();
     static int c_currentMemUsed = 0;
-    int now = (cnoOfAllocatedPages * 100)/c_page_pool.getSize();
+    Uint32 sz = c_page_pool.getSize();
+    int now = sz ? (cnoOfAllocatedPages * 100)/sz : 0;
     const int thresholds[] = { 100, 90, 80, 0 };
     
     Uint32 i = 0;