On Thu, Jan 27, 2005 at 12:15:24PM +0000, David Woodhouse wrote: > On Fri, 2005-01-21 at 12:29 -0800, Christoph Lameter wrote: > > Adds management of ZEROED and NOT_ZEROED pages and a background daemon > > called scrubd. scrubd is disabled by default but can be enabled > > by writing an order number to /proc/sys/vm/scrub_start. If a page > > is coalesced of that order or higher then the scrub daemon will > > start zeroing until all pages of order /proc/sys/vm/scrub_stop and > > higher are zeroed and then go back to sleep. > > Some architectures tend to have spare DMA engines lying around. There's > no need to use the CPU for zeroing pages. How feasible would it be for > scrubd to use these?
An earlier proposal that Christoph pushed would have used the BTE on sn2 for this. Are you thinking of using the BTE on sn0/sn1 mips? Robin - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/