On Sun, Dec 16, 2018 at 09:16:16PM +0800, Lianbo Jiang wrote: This... > +node_online_map > +=============== > +It is a macro definition, actually it is an array node_states[N_ONLINE], > +and it represents the set of online node in a system, one bit position > +per node number. > + > +This is used to keep track of which nodes are in the system and online. ... and this... > +nodemask_t > +========== > +The size of a 'nodemask_t' type. This value is used to compute the number > +of online nodes. sound redundant too? -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.