On Tue, Oct 18, 2016 at 04:50:10PM +0200, Laurent Dufour wrote: > On 17/10/2016 14:51, Peter Zijlstra wrote: > > Latest version is here: > > > > https://lkml.kernel.org/r/20141020215633.717315139@xxxxxxxxxxxxx > > > > Plenty of bits left to sort with that, but the general idea is to use > > the split page-table locks (PTLs) as range lock for the mmap_sem. > > Thanks Peter for the pointer, > > It sounds that some parts of this series are already upstream, like the > use of the fault_env structure, Right, Kirill picked that up. > but the rest of the code need some > refresh to apply on the latest kernel. I'll try to update your series > and will give it a try asap. > > This being said, I'm wondering if the concern Kirill raised about the > VMA sequence count handling are still valid... Yes, I think they are. I don't think I put much time into it after that exchange :-( -- 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>