On Wed, Jul 3, 2019 at 5:17 AM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > On Wed, Jul 03, 2019 at 12:24:54AM -0700, Dan Williams wrote: > > This fix may increase waitqueue contention, but a fix for that is saved > > for a larger rework. In the meantime this fix is suitable for -stable > > backports. > > I think this is too big for what it is; just the two-line patch to stop > incorporating the low bits of the PTE would be more appropriate. Sufficient, yes, "appropriate", not so sure. All those comments about pmd entry size are stale after this change.
