Jeff Moyer <jmoyer@xxxxxxxxxx> writes: > Hi, > > This patch set makes memory allocations for data structures used in > the I/O path more numa friendly by allocating them from the same numa > node as the storage device. I've only converted a handful of drivers > at this point. My testing is limited by the hardware I have on hand. > Using these patches, I was able to max out the bandwidth of the storage > controller when issuing I/O from any node on my 4 node system. Without > the patch, I/O from nodes remote to the storage device would suffer a > penalty ranging from 6-12%. Given my relatively low-end setup[1], I > wouldn't be surprised if others could show a more significant performance > advantage. > > This is a repost of the last posting. The only changes are additional > reviewed-by/acked-by tags. I think this version is ready for inclusion. > James, would you mind taking a look? James? Do you have any objections to including this for 3.8? -Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
