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Page Frame Allocation: Difference between revisions
Added info about page metadata (like NT PFN database)
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(Undo revision 14186 by Bellezzasolo (talk) - This is exactly the problem the buddy allocator solves.) |
(Added info about page metadata (like NT PFN database)) |
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===Stack/List of pages===
The address of each available physical frame is stored in a [[stack]]-like dynamic structure. Allocating a page is fast (O(1)), freeing a page too but checking the state of a page is not practical, unless additional metadata is stored sorted by physical address.
===Sized Portion Scheme===
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