On Thu, Aug 01, 2013 at 03:41:33PM +0530, Raghavendra K T wrote: > It is exactly 16k-1 not 15k > That is because CPU_CODE of 1 to 16k represents cpu 0..16k-1 >From what I know big systems are usually build with power-of-two factors. Although I suppose with a ring fabric you could have an arbitrary number of nodes. Anyway, I've heard SGI talk about 4K cpu systems, 8K cpu systems and 16K cpu systems, I've not heard them talk about 16K-n systems. Also, as in other parts of the reply I send, this limitation seems completely unnecessary. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html