On Jul 24, 2014, at 5:23 PM, matthew green <m...@eterna.com.au> wrote:
> > "Taylor R Campbell" writes: >> Module Name: src >> Committed By: riastradh >> Date: Thu Jul 24 13:42:29 UTC 2014 >> >> Modified Files: >> src/sys/arch/amd64/include: vmparam.h >> src/sys/arch/i386/include: vmparam.h >> src/sys/arch/x86/x86: x86_machdep.c >> >> Log Message: >> Add a FIRST1G page freelist to x86, for old graphics devices. > > other devices that do this didn't have to change the > platform code to do it. see bce(4), which is limited > to 1GB of ram on laptops that have 2GB. That maybe true, but using a freelist makes the allocations much cheaper.
