On Mon, Sep 21, 2015 at 11:23 PM, Ingo Molnar <mingo@xxxxxxxxxx> wrote: > > This complicates PGD management, so don't do this. We can keep the > PGD mapped and the PUD table all clear - it's only a single 4K page > per 512 GB of memory mapped. I'm ok with this just from a "it removes code" standpoint. That said, some of the other patches here make me go "hmm". I'll answer them separately. Linus -- 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>