On Thu, Mar 28, 2024 at 1:06 PM Yosry Ahmed <yosryahmed@xxxxxxxxxx> wrote: > > On Thu, Mar 28, 2024 at 12:11 PM Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > > > > On Mon, Mar 25, 2024 at 11:50:13PM +0000, Yosry Ahmed wrote: > > > There is no logical reason to refuse storing same-filled pages more > > > efficiently and opt for compression. Remove the userspace knob. > > > > > > Signed-off-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx> > > > > Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> > > > > I also think the non_same_filled_pages_enabled option should go > > away. Both of these tunables are pretty bizarre. > > Happy to remove both in the next version :) I thought non_same_filled_pages_enabled was introduced with the initial support for same-filled pages, but it was introduced separately (and much more recently): https://lore.kernel.org/all/7dbafa963e8bab43608189abbe2067f4b9287831.1641247624.git.maciej.szmigiero@xxxxxxxxxx/ I am CCing Maciej to hear more about the use case for this. > > Thanks!