On Mon, 2008-11-03 at 06:26 -0500, Josh Boyer wrote: > On Mon, 03 Nov 2008 11:43:54 +1100 > Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote: > > > > > > Cropping the size of the memory node. That was simplest to do from the > > > cuboot wrapper at the time. If marking it reserved via a reserve map > > > is more elegant and correct, we could do that. > > > > > > But I will still like to know what about the other way is hairy please. > > > > I don't like it :-) Bad feeling ... don't like having a memory > > node entry that isn't aligned to some large power of two typically. > > Erm, ok. And does your heebie-geebies extend to people using the mem= > parameter in a similar fashion?
Nah, not really. It's not that it won't work, I suppose it does, though I would have preferred a way to "reserve" that memory rather than take it off. In fact, that last page could be used for other things, for example it could be used as a dummy page to point stale DMA to or whatever else. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev