Messages in this thread |  | | From | Daniel Phillips <> | Subject | Re: large page patch (fwd) (fwd) | Date | Fri, 9 Aug 2002 17:20:52 +0200 |
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On Sunday 04 August 2002 19:19, Hubertus Franke wrote: > "General Purpose Operating System Support for Multiple Page Sizes" > htpp://www.usenix.org/publications/library/proceedings/usenix98/full_papers/ganapathy/ganapathy.pdf
This reference describes roughly what I had in mind for active defragmentation, which depends on reverse mapping. The main additional wrinkle I'd contemplated is introducing a new ZONE_LARGE, and GPF_LARGE, which means the caller promises not to pin the allocation unit for long periods and does not mind if the underlying physical page changes spontaneously. Defragmenting in this zone is straightforward.
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