On 10/24/2016 10:40 PM, Dave Hansen wrote: > On 10/23/2016 09:31 PM, Anshuman Khandual wrote: >> +#ifdef CONFIG_COHERENT_DEVICE >> + /* >> + * Isolation requiring coherent device memory node's zones >> + * should not be part of any other node's fallback zonelist >> + * but it's own fallback list. >> + */ >> + if (isolated_cdm_node(node) && (pgdat->node_id != node)) >> + continue; >> +#endif > > Total nit: Why do you need an #ifdef here when you had > > +#ifdef CONFIG_COHERENT_DEVICE > +#define node_cdm(nid) (NODE_DATA(nid)->coherent_device) > +#define set_cdm_isolation(nid) (node_cdm(nid) = 1) > +#define clr_cdm_isolation(nid) (node_cdm(nid) = 0) > +#define isolated_cdm_node(nid) (node_cdm(nid) == 1) > +#else > +#define set_cdm_isolation(nid) () > +#define clr_cdm_isolation(nid) () > +#define isolated_cdm_node(nid) (0) > +#endif > > in your last patch? Right, the "if" condition with an "&&" as a whole would have evaluated to be false. Hence the "ifdef" is not required. Will change it next time around. Thanks for pointing out. -- 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>