On 4/18/2014 12:02 PM, Martin Packer wrote:
BTW SMF 30 also has the limit and how obtained in it. So you can see what
an individual job / address space can get at and why.

As one might imagine, the system control block also contains the source of the MEMLIMIT:

6 RAXLVMemLimS  FIXED(8) RXZ,   /* Source of Address Space
                                   Memory limit       @P5C*/

DCL RAXLVSMF  FIXED(8) CONSTANT(1);/* MEMLIMIT set by SMF
                                      either in SMFPRMxx or by use
                                      of SMF default value=0 @P8C*/
DCL RAXLVJCL  FIXED(8) CONSTANT(2);/* MEMLIMIT set by the JCL @P5C*/
DCL RAXLVREG0 FIXED(8) CONSTANT(3);/* MEMLIMIT Unlimited based on
                                       REGION=0 specification @P5C*/
DCL RAXLVUSI  FIXED(8) CONSTANT(4);/* MEMLIMIT set by IEFUSI @P5C*/
DCL RAXLVOMVS FIXED(8) CONSTANT(5);/* MEMLIMIT set by UNIX OMVS
                                       segment @P5C*/
DCL RAXLVSETR FIXED(8) CONSTANT(6);/* MEMLIMIT set by UNIX
                                       setrlimit @P5C*/
DCL RAXLVSPW  FIXED(8) CONSTANT(7);/* MEMLIMIT set by UNIX spawn
@P5C*/
DCL RAXLVSETO FIXED(8) CONSTANT(8);/* MEMLIMIT set by UNIX
                                       SETOMVS command @P5C*/
DCL RAXLVAUTH FIXED(8) CONSTANT(9);/* MEMLIMIT set by authorized
                                       application modification@P5C*/
DCL RAXLVURG  FIXED(8) CONSTANT(10);/*Special case of MEMLIMIT
                                      getting set in IEFSMFIE
                                      (IEFUSI set REGION size) @08A*/
DCL RAXLVBAD  BIT(8) CONSTANT('FF'X);
                                    /* Error setting MEMLIMIT */
                                    /* (for debug purposes) @P5C*/

--
Edward E Jaffe
Phoenix Software International, Inc
831 Parkview Drive North
El Segundo, CA 90245
http://www.phoenixsoftware.com/

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