On Mon, May 29, 2017 at 01:56:05PM +0300, Alexey Budankov wrote: > On 29.05.2017 13:43, Peter Zijlstra wrote:
> > Why can't the tree do both? > > > > Well, indeed, the tree provides such capability too. However switching to > the full tree iteration in cases where we now go through _groups lists will > enlarge the patch, what is probably is not a big deal. Do you think it is > worth implementing the switch? Do it as a series of patches, where patch 1 introduces the tree, patches 2 through n convert the list users into tree users, and patch n+1 removes the list. I think its good to not have duplicate data structures if we can avoid it.
