Re: CVS commit: src/sys/arch

[Matt Thomas <matt%3am-software.com@localhost>]

On Jul 24, 2014, at 5:23 PM, matthew green <mrg%eterna.com.au@localhost> 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.