The object-based reverse-mapping VM
Posted Feb 27, 2003 19:44 UTC (Thu) by giraffedata
Parent article: The object-based reverse-mapping VM
Just a comment on clear terminology:
The professor who first taught me what virtual memory is emphasized that we must never confuse pages with page frames, and over the years I've seen his wisdom. A page is a bunch of bytes of data. A page frame is an area of real memory that can hold a page.
A virtual memory system has a lot more pages than it has page frames.
A Linux 'struct page' describes a page frame, not a page. A page table entry, among other things, describes a page.
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