On Fri, Sep 27, 2013 at 12:03:01AM +0800, Zhang Yanfei wrote: > Ah, I see. You are saying another issue. He is worrying that if we use > kexec to load the kernel high, say we have 16GB, we put the kernel in > 15.99GB (just an example), so we only have less than 100MB above the kernel. > > But as I've explained to him, in almost all the cases, if we want our > memory hotplug work, we don't do that. And yeah, assume we have this > problem, it'd fall back to top down and that return backs to patch 2, > we will trigger the WARN_ONCE, and the admin will know what has happened. Alright, Acked-by: Tejun Heo <tj@xxxxxxxxxx> 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>