On Fri, 2020-01-03 at 13:16 -0800, Alexander Duyck wrote: > This series provides an asynchronous means of reporting free guest pages > to a hypervisor so that the memory associated with those pages can be > dropped and reused by other processes and/or guests on the host. Using > this it is possible to avoid unnecessary I/O to disk and greatly improve > performance in the case of memory overcommit on the host. <snip> > > Changes from v15: > https://lore.kernel.org/lkml/20191205161928.19548.41654.stgit@localhost.localdomain/ > Rebased on linux-next-20191219 > Split out patches for budget and moving head to last page processed > Updated budget code to reduce how much memory is reported per pass > Added logic to also rotate the list if we exit due a page isolation failure > Added migratetype as argument in __putback_isolated_page It's been about a week and a half since I posted the set and haven't really gotten much feedback other than a suggestion of a slight tweak to the titles for patches 7 & 8 to mention page_reporting. I'm mainly looking for input on patches 3, 4, 7 and 8 since those are the ones that contain most of the changes based on recent feedback. I'm wondering if there is any remaining concerns or if these patches are in a state where they are ready to be pulled into the MM tree? Thanks. - Alex
