On Sat, 9 Jan 2016 06:33:40 -0500 nimisolo <nimisolo@xxxxxxxxx> wrote: > If nr_new is 0 which means there's no region would be added, > so just return to the caller. > > ... > > --- a/mm/memblock.c > +++ b/mm/memblock.c > @@ -588,6 +588,9 @@ repeat: > nid, flags); > } > > + if (!nr_new) > + return 0; > + > /* > * If this was the first round, resize array and repeat for actual > * insertions; otherwise, merge and return. hm, why? Is there something actually wrong with the current code? Under what circumstances does nr_new==0 actually happen? Is it a bug in the caller? -- 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>