... 2nd Edition June 2001 . ... The Linux kernel offers a richer set of memory allocation primitives, however. In this chapter we look at other ways of making use of memory in device drivers and at how to make the best use of your system's memory resources. ... Device drivers normally do not exhibit the sort of memory behavior that justifies using a lookaside cache, but there can be exceptions; the USB and ISDN drivers in Linux 2.4 use caches. ... Back to: Linux Device Drivers, 2nd Edition . ...