On Sat, 2015-03-28 at 12:47 +0100, Peter Zijlstra wrote: > The condition is represented by the futex word, which is an address in > memory supplied to the futex() system call, and the value at this mem‐ > ory location. (While the virtual addresses for the same memory in sep‐ > arate processes may not be equal, the kernel maps them internally so > that the same memory mapped in different locations will correspond for > futex() calls.) > > When executing a futex operation that requests to block a thread, the > kernel will only block if the futex word has the value that the calling Given the use of "word", you should probably state right away that futexes are only 32bit. Thanks, Davidlohr -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
