JPS56134381A - Divided control system for virtual memory file - Google Patents

Divided control system for virtual memory file

Info

Publication number
JPS56134381A
JPS56134381A JP3672380A JP3672380A JPS56134381A JP S56134381 A JPS56134381 A JP S56134381A JP 3672380 A JP3672380 A JP 3672380A JP 3672380 A JP3672380 A JP 3672380A JP S56134381 A JPS56134381 A JP S56134381A
Authority
JP
Japan
Prior art keywords
file
vsf1
partition
vsr1
virtual memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3672380A
Other languages
Japanese (ja)
Inventor
Hidetoshi Yasukawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP3672380A priority Critical patent/JPS56134381A/en
Publication of JPS56134381A publication Critical patent/JPS56134381A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)

Abstract

PURPOSE:To enable to acquire a file of necessary size as required by preparing virtual memory files as divided. CONSTITUTION:In the same virtual volume VOL, two virtual memory files VSF1 and VSF2 are generated by being divided and file VSF1 corresponds to virtual address partition VSR1. Then, when a program is loaded in partition VSR1, the program is stored in file VSF1 as well and once the job that corresponds to this program ends, partition VSR1 and file VSF1 are freed. Similarly, the other file VSF2 corresponds to the other virtual address partition VSR2 and functions independently of file VSF1 and partition VSR1. Therefore, a file of required size can be acquired upon occasion, and while the efficiency of utilization of the volume is improved, input and output operations are performed in parallel in the occurrence of a page fault. Additionally, an emergency job can immediately be processed.
JP3672380A 1980-03-21 1980-03-21 Divided control system for virtual memory file Pending JPS56134381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3672380A JPS56134381A (en) 1980-03-21 1980-03-21 Divided control system for virtual memory file

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3672380A JPS56134381A (en) 1980-03-21 1980-03-21 Divided control system for virtual memory file

Publications (1)

Publication Number Publication Date
JPS56134381A true JPS56134381A (en) 1981-10-21

Family

ID=12477661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3672380A Pending JPS56134381A (en) 1980-03-21 1980-03-21 Divided control system for virtual memory file

Country Status (1)

Country Link
JP (1) JPS56134381A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114149A (en) * 1981-12-28 1983-07-07 Fujitsu Ltd Electronic filing system
JPH04156633A (en) * 1990-10-20 1992-05-29 Fujitsu Ltd System for accessing and automatically enlarging common memory as virtual area

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58114149A (en) * 1981-12-28 1983-07-07 Fujitsu Ltd Electronic filing system
JPS6259819B2 (en) * 1981-12-28 1987-12-12 Fujitsu Ltd
JPH04156633A (en) * 1990-10-20 1992-05-29 Fujitsu Ltd System for accessing and automatically enlarging common memory as virtual area

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