Re: Memory Management - BSD vs Linux

Cort (cort@cs.nmt.edu)
Tue, 12 Aug 1997 16:44:04 -0600 (MDT)


How can they only map 'parts' of the virtual address space? Of course
there are problems once you overflow 2 buckets in the hash table but there
are a number of methods for dealing with full hash tables (perhaps not
suitable for use in the kernel - but possible).

}(Definition of page table: something that maps virtual addresses to
}physical addresses. The IBM hashtables do NOT match that definition,
}because they can only map _parts_ of the virtual address space. As such
}they match the definition of a TLB: a "cache of virtual->physical

Perhaps I'm a non-IBM-blockhead, but I don't see clearly how you can
support it.

}translation entries". I dare any IBM blockhead to try to refute this
}without looking silly).