Hello, Rusty. On Wed, Jan 02, 2013 at 03:12:15PM +1030, Rusty Russell wrote: > > Hmmm? cpumask_t can't be used for stack but other than that I don't > > see how it would be deprecated completely. Rusty, can you please > > chime in? > > The long-never-quite-complete-plan was for struct cpumask to be > undefined when CONFIG_CPUMASK_OFFSTACK=y. That means noone can declare > them, or pass them on the stack, since they'll get a compiler error. > > Now, there are some cases where it really is a reason to use a static > bitmap, and 1/2 a K of wasted space be damned. There's a > deliberately-ugly way of doing that: declare a bitmap and use > to_cpumask(). Of course, if we ever really want to remove NR_CPUS and > make it completely generic, we have to kill all these too, but noone is > serious about that. So, I guess this currently is caught in a place which isn't here or there. I'm pretty skeptical whether it makes sense to bother about static usages tho. Can I keep them for static ones? Thanks. -- tejun -- 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>