Re: Hardwired drivers are going away?

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 15 Jan 2002 12:44:38 +0000 (GMT)


> 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/