2634443 - Memory allocation denied on Linux, when free memory is available

• SAP applications running on Linux encounter either of these dumps:
• EXSORT_NOT_ENOUGH_MEMORY
• SYSTEM_NO_TASK_STORAGE
• DBSQL_NO_PERM_MM_MEMORY
   
• Work processes traces can show:
• X *** ERROR => EmIAllocMmResourcePROC: mallocR(4194928) failed. [emxx.c 5086]
   
• HANA may report the error:
• Precharge.cpp(00146) : memAllocSystemPages failed with rc=12, 12 (Cannot allocate memory)
   
• Testing with "memlimits -v off" shows less than 4GB swap can be allocated:
• Maximum heap size per process........: 3656 MB
  Total available swap space...........: 3772 MB

Any Linux distribution running SAP software

Linux, dump, EXSORT_NOT_ENOUGH_MEMORY, SYSTEM_NO_TASK_STORAGE, DBSQL_NO_PERM_MM_MEMORY, EmIAllocMmResourcePROC, memAllocSystemPages, mallocR , KBA , BC-OP-LNX , Linux , BC-OP-LNX-RH , Red Hat Linux , BC-OP-LNX-SUSE , SUSE Linux , Problem