Technical data

System Dump Analyzer
SHOW PAGE_TABLE
Table SDA–16 (Cont.) Virtual Page Information in the SHOW PAGE_TABLE
Display
Value Meaning
PTE Contents of the page table entry, a longword that describes a
system virtual page.
Type Type of virtual page. There are the following eight types:
• VALID
Valid page (in main memory).
• TRANS
Transitional page (between main memory and page lists).
• DZERO
Demand-allocated, zero-filled page.
• PGFIL
Page within a paging file.
• STX
Section table’s index page.
• GPTX
Index page for a global page table.
• IOPAG
Page in I/O address space.
• NXMEM
Page not represented in physical memory. The page frame
number (PFN) of this page is not mapped by any of the
system’s memory controllers. This indicates an error
condition.
PROT Protection code, derived from bits in the PTE, that designates the
type of access (read or write, or both) granted to processor access
modes (kernel, executive, supervisor, or user).
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