On Thu, 11 Dec 2014, Jesper Dangaard Brouer wrote: > It looks like an impressive saving 116 -> 60 cycles. I just don't see > the same kind of improvements with my similar tests[1][2]. This is particularly for a CONFIG_PREEMPT kernel. There will be no effect on !CONFIG_PREEMPT I hope. > I do see the improvement, but it is not as high as I would have expected. Do you have CONFIG_PREEMPT set? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>