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
