> > + if (!usemap) { > > + pr_err("%s: usemap allocation failed", __func__); > > Wondering if we can provide more useful information for better debugging > if failed. E.g here tell on what nid the usemap allocation failed. > > > + pnum, nid); > > + if (!map) { > > + pr_err("%s: memory map backing failed. Some memory will not be available.", > > + __func__); > And here tell nid and the memory section nr failed. Sure, I will wait for more comments, if any, and add more info to the error messages in the next revision. Thank you, Pavel