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The book is available and called simply "Understanding The Linux Virtual Memory Manager". There is a lot of additional material in the book that is not available here, including details on later 2.4 kernels, introductions to 2.6, a whole new chapter on the shared memory filesystem, coverage of TLB management, a lot more code commentary, countless other additions and clarifications and a CD with lots of cool stuff on it. This material (although now dated and lacking in comparison to the book) will remain available although I obviously encourge you to buy the book from your favourite book store :-) . As the book is under the Bruce Perens Open Book Series, it will be available 90 days after appearing on the book shelves which means it is not available right now. When it is available, it will be downloadable from http://www.phptr.com/perens so check there for more information.
To be fully clear, this webpage is not the actual book.
Next: 10. High Memory Management Up: 9. Slab Allocator Previous: 9.6 Slab Allocator Initialisation   Contents   Index
The slab allocator does not come with pages attached, it must ask the physical
page allocator for its pages. For this two interfaces are provided,
kmem_freepages(). They are
basically wrappers around the buddy allocators API so that slab flags will
be taken into account for allocations.
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