On Thu, Apr 26 2007, Christoph Hellwig wrote: > On Thu, Apr 26, 2007 at 04:38:54PM +1000, Nick Piggin wrote: > > Hardware is built to handle many small pages efficintly, and I don't > > understand how it could be an SGI-only issue. Sure, you may have an > > order of magnitude or more memory than anyone else, but even my lowly > > desktop _already_ has orders of magnitude more pages than it has TLB > > entries or cache -- if a workload is cache-nice for me, it probably > > will be on a 1TB machine as well, and if it is bad for the 1TB machine, > > it is also bad on mine. > > It's not an SGI-only issue, but apparently SGI are the only ones > that actually care about real highend linux setups to work on these > issues. The Problem is not on the CPU hardware side. It's on > the Software side and Storage hardware side, or rather a combination > of the two.
Agree. I don't know why we are arguing the merrits of this, it's an obvious win. The problem is more if it's doable this way or not due to fragmentation, but that's a different discussion and should be kept seperate. -- Jens Axboe - 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/
