On Thu, 2014-04-24 at 16:46 -0700, Linus Torvalds wrote: > - we do the TLB shootdown holding the page table lock (but that's not > new - ptep_get_and_flush does the same > The flip side is that we do a lot more IPIs for large invalidates, since we drop the PTL on every page table page. Ben. -- 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>