Re: Hardwired drivers are going away?

Alan Cox
2002-01-15T12:34:01Z

> 1) The main kernel is contiguous in physical memory and is mapped with
> large (4 MB) pages. This reduces pressure on the TLB. Modules are
> 2) Space for module code is allocated in page units. Thus, each module
> wastes an average of 2K. If I'm going to have dozens of modules
> loaded, small machines are going to notice.

If at boot time we keep a big chunk of ram free at the kernel end and just
load modules one after each other into that space until we get into real
paging that problem goes away