FSDBK - 64-bit CP - V4R4.0

Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM.

#### FSDBK

Prolog

Control Block Contents
FSDBK DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

#### FSDBK Prolog

     NAME       : HCPFSDBK
     DESCRIPTION: Free Storage Data Block
     DSECT      : FSDBK
     FUNCTION   : Maps the fixed free storage data area, includes
                  the VMDBK formal spin lock.
     CREATED BY : not 'created'. Maps the entry point
                  HCPRSMFL defined in the RSM data module.
     DELETED BY : Never deleted

#### FSDBK Control Block Content

#### FSDBK DSECT

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      FSDBK          Free Storage Data Block
         Free Storage Formal Spin Lock Data Area
         FSDVMLK covers - System Free Storage List (HCPRSMSV) VMDBK internal
         list (VMDFSAPT) VMDBK free storage list (HCPRSMFR) VMDBK count of DWs
         in use (VMDVMDWU)
    0000    0 Dbl-Word     8 FSDVMLK (3)    Free Storage Formal Spin Lock

#### FSDBK Storage Layout

    *** FSDBK - Free Storage Data Block
    *
    *     +-------------------------------------------------------+
    *   0 |                                                       |
    *     =                       FSDVMLK                         =
    *     |                                                       |
    *     +-------------------------------------------------------+
    *  18
    *
    *** FSDBK - Free Storage Data Block

#### FSDBK Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    FSDVMLK        0000

This information is based on z/VM V4R4.0. Last updated on 30 Jul 2003 at 12:46:53 EDT.
Copyright IBM Corporation, 1990, 2003