LOADING OPERATING SYSTEMS USING MEMORY SEGMENTATION AND ACPI BASED CONTEXT SWITCH

LOADING OPERATING SYSTEMS USING MEMORY SEGMENTATION AND ACPI BASED CONTEXT SWITCH

A system memory is partitioned into a first paged partition for a first operating system and a second paged partition for a second operating system. The first paged partition is mapped into a first virtual memory partition, and the second paged partition is mapped into a second virtual memory partit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BANGA, GAURAV, BARDE, KAUSHIK, KAMALVANSHI, AJAY
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A system memory is partitioned into a first paged partition for a first operating system and a second paged partition for a second operating system. The first paged partition is mapped into a first virtual memory partition, and the second paged partition is mapped into a second virtual memory partition. A subset of pages within the second virtual memory partition is marked as reclaimable by the first operating system to produce a set of marked pages. Responsive to a request by the first operating system for further memory, at least one reclaimable page selected from the set of marked pages is swapped out to a storage file, and the first operating system writes to the at least one reclaimable page.