On Tue, Sep 22, 2015 at 10:41 AM, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > 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. > If we want to get rid of vmalloc faults, then this patch makes it much more obvious that it can be done without hurting performance. > Linus -- Andy Lutomirski AMA Capital Management, LLC -- 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>