On Tue, Aug 10, 2021 at 12:24 PM Nico Pache <npache@xxxxxxxxxx> wrote: > > [...] > > > > I'm wondering how you're getting anon scans with swappiness=0. If you > > look at get_scan_count(), SCAN_FRACT with swappines=0 should always > > result in ap = fraction[0] = 0, which never yields any anon scan > > targets. So I'm thinking you're running into sc->file_is_tiny > > situations, meaning remaining file pages alone are not enough to > > restore watermarks anymore. Is that possible? > > Yes DEACTIVATE_ANON is enabling the file_is_tiny case in shrink_node(). That is what im trying to prevent in the swappiness=0 case. > Can you please explain how DEACTIVATE_ANON is enabling the file_is_tiny case?
