Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
FSDBK
Control Block Contents
FSDBK DSECT
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 RELOCATION CONSIDERATIONS : None
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 - Sysperm Free Storage List (HCPRSMSV/SB) - VMDBK free storage - Guestperm free storage List (HCPRSMFR/FB) - VMDBK count of DWs in use (VMDVMDWU) - Counts related to sysperm/guestperm free storage (e.g. RSAFVMUD/RSAFVMUB, RSAVMXUD/RSAVMXUB, RSASYSUD/RSASYSUB, etc.) 0000 0 Dbl-Word 8 FSDVMLK (6) Free Storage Formal Spin Lock
FSDBK Storage Layout
*** FSDBK - Free Storage Data Block * * +-------------------------------------------------------+ * 0 | | * = FSDVMLK = * | | * +-------------------------------------------------------+ * 30 * *** FSDBK - Free Storage Data Block
FSDBK Cross Reference
Symbol Dspl Value -------------- ---- ----- FSDVMLK 0000
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