Re: CVS commit: src/sys/uvm

[Michael Graff <explorer%flame.org@localhost>]

On 1/4/11 2:26 AM, Matt Thomas wrote:
> Module Name:  src
> Committed By: matt
> Date:         Tue Jan  4 08:26:33 UTC 2011
> 
> Modified Files:
>       src/sys/uvm: uvm_extern.h uvm_fault.c uvm_km.c uvm_page.c
> 
> Log Message:
...
> When allocating kernel memory pages, allow the MD to specify a preferred
> VM_FREELIST from which to choose pages.  For machines with large amounts
> of memory (> 4GB), all kernel memory to come from <4GB to reduce the amount
> of bounce buffering needed with 32bit DMA devices.

Sorry to be clueless here, but does this mean I lose my large, automatic
disk cache on my 32GB machine, or is this just for other types of memory
purposes?

--Michael