järjestelmäsivu

Järjestelmäsivu refers to a system page, a fundamental concept in computing and software design. A system page is a specific type of memory page allocated and managed by the operating system for its own internal operations. Unlike user pages, which store data and code for applications, system pages are reserved for crucial system-level tasks.

These pages are vital for maintaining the stability and functionality of the entire system. They often contain segments of the operating system kernel, device drivers, interrupt handlers, and other core components that require direct access to hardware and memory management. Because of their critical nature, system pages are typically protected by the operating system to prevent unauthorized access or modification by user processes, which could lead to system crashes or security vulnerabilities.

The management of system pages is a complex process handled by the memory manager component of the operating system. This includes allocating space for system processes, deallocating it when no longer needed, and ensuring efficient access for the components that require it. The size and structure of system pages can vary depending on the operating system architecture and design. Understanding system pages is important for comprehending how operating systems manage resources and ensure smooth operation.