May 2014 Archive


Separation of Policy and Mechanism
1670 views
Separation of Policy and Mechanism

An important tool for managing the complexity of any system is to separate policy from mechanism. This principle can be applied to memory management by having most of the memory manager run as a user-level process. Such a separation was first done in Mach (Young et al.,

SEGMENTATION
1805 views
SEGMENTATION

The virtual memory discussed so far is one-dimensional because the virtual addresses go from 0 to some maximum address, one address after another. For various problems, having two or more separate virtual address spaces may be much better than having only one. For

Page 1 of 1 Previous 1 Next