On 04/16, Peter Zijlstra wrote: > > Can't we 'optimize' read_opcode() by doing the pagefault_disable() + > __copy_from_user_inatomic() optimistically before going down the whole > gup()+lock+kmap path? Unlikely, the task is not current. Oleg. -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>