Why Should Virtual Memory Pages be Neither Too Small nor Too Large?

AI Thread Summary
Virtual memory page size is crucial for system performance, as very small pages can lead to high overhead due to increased page table entries and frequent page faults. Conversely, very large pages may waste memory by loading unnecessary data, leading to inefficient use of resources. The trade-offs involve balancing memory management efficiency and access speed; small pages improve granularity but can slow down access, while large pages reduce management overhead but may hinder performance due to wasted space. Optimal page size enhances overall system performance and resource utilization. Understanding these trade-offs is essential for effective operating system design.
naspek
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hey there.. i just revised my notes about operating system..
but.. i just can understand about the problem below..

why the page in a virtual memory should neither very small nor very large? :rolleyes:
 
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naspek said:
hey there.. i just revised my notes about operating system..
but.. i just can understand about the problem below..

why the page in a virtual memory should neither very small nor very large? :rolleyes:

What would the tradeoffs be? What if you had very large pages -- what would that imply about various things you want to use virtual memory for? What if you had lots of small pages instead?
 

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