On 07/20/2016 06:55 PM, zhouchengming wrote: > Thanks for your reply. I don't know the compiler will optimize the loop. > But when I see the assembly code of __section_nr, it seems to still have > the loop in it. Oh, well. I guess it got broken in the last decade or so. Your patch looks good to me, and the fact that we ended up here means the original approach was at least a little fragile. -- 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>