Hi, David Miller wrote: [Fri Sep 19 2014, 03:28:46PM EDT] > From: David Miller <davem@xxxxxxxxxxxxx> > Date: Thu, 18 Sep 2014 19:16:37 -0400 (EDT) > > > I'm half-way done with the "use kernel page tables for everything" > > patch, and will post once I have something that at least work for > > me. > > Bob, I ran into a major roadblock which is going to delay this work > a little bit. Okay. > > In fact it pointed out a bug we introduced when increasing max phys > bits to 47. We broke DEBUG_PAGEALLOC completely. The issue is that > the page table layout only supports up to 43-bits. Oh bugger yes. I recall testing this when first introducting four level page table layout in late 2012 and early 2013. It just isn't an everyday thought but VERY nice to have. > > I'll brain storm about this over the weekend. Me too. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html