On Thu, 19 Apr 2001, Andrey A. Chernov wrote:

> On Thu, Apr 19, 2001 at 10:39:58 -0700, Matt Dillon wrote:
> >     Let me explain a little more.  If it's commented out, it's fine.  But
> >     if you are actually setting a value in there you will override whatever
> >     is set in the kernel.  When people install new systems they do not 
> >     usually override their /etc/ files, so an uncommented value will
> >     set that default in stone and prevent us from being able to change
> >     it with a new kernel rev.  This being a *kernel* specific feature,
> >     we need to have control over the default in the kernel itself.
> What about simple check in the kernel: if total memory is above 64Mb, then
> enable this mode by default, else disable it.

I believe it should be enabled at more like 640MB than 64MB.  It slows
down makeworld (immediately after rebooting to get a consistent
enviroment) a little here with 256MB.  Whether it is good depends more
on the application mix than the memory size.


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