Increasing MAXPHYS

[Ivan Voras]

Alexander Motin wrote:

> All above I have successfully tested last months with MAXPHYS of 1MB on
> i386 and amd64 platforms.
> 
> So my questions are:
> - does somebody know any issues denying increasing MAXPHYS in HEAD?
> - are there any specific opinions about value? 512K, 1MB, MD?

Not really important and tangential to the topic: are there options to 
make it dynamic? Loader tunable? Sysctl?