kernel configuration

[Andri Kok]

Hi guys,
 
I just switched from linux to freebsd (noob) and trying to configure the kernel. My PC is Dell Lattitude CSxH PIII 500, 256MB RAM. Now problems:
 
o According to LINT the CONF_FLAGS "inhibit use of non-optimal function" does this mean that my kernel will be "optimized"?
 
o I increased the process limits to MAXDSIZ="(1024 * 1024 * 1024)" and DFLDSIZ="(1024 * 1024 * 1024)". For an old PC like mine, is this a good idea? I mostly use my computer for programming. However, I'd also like it to be quite responsive at times. Any ideas?
 
o PQ_CACHESIZE, what is it? what difference does it make if i set it to 512 and not 256?
 
o The options like: CPU_BLUE_LIGHTNING, CPU_ENABLE_SSE, CPU_FASTER_5x86_FPU, CPU_SUSP_HLT, NO_FOOF_HACK. Are they all applicable to my CPU?
 
o USER_LDT, what is this? is it good or bad?
 
o options like: KTRACE, INVARIANTS, INVARIANT_SUPPORT, DIAGNOSTIC are for kernel debugging, am I right? I also read in LINT that it will make my kernel size larger. Does large kernels means worse performance? Do I really need to debug my kernel?
 
o PERFMON, do I need it? does it improve performance?
 
o UCONSOLE, USERCONFIG & VISUAL_USERCONFIG, do i need them? I'll be running X, and according to handbook, UCONSOLE is good for something. What about the rest? Why do they have comments like "XXX - don't belong here" in LINT. Are they not suppose to be used?
 
I guess that's all at the moment. Thx in advance. Any replies appreciated.
 
Regards,
 
Andri


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