What happen when FreeBSD boot first time????????

[Oleksandr Tymoshenko]

Kamlesh Patel wrote:
> Hi Friends,
> 
> I am working on FreeBSD Virtual Memory improvement algorithm.
> How VM allocate pages first time when system boot?
> How phys_avail[] have values in sys/vm/vm_Page.c line 228?
     It's set by machine-dependent part of code. grep for
phys_avail[] in i386/amd64/arm/etc..