On Fri, Dec 27, 2024 at 04:31:48PM +0530, Donet Tom wrote: > > > folio_clear_referenced(folio); > > workingset_activation(folio); > > + } else { > > + > > In the current implementation, promotion will not work if we enable MGLRU, > right? > Is there any specific reason we are not enabling promotion with MGLRU? > folio_mark_accessed may not be the best place to interpose for MGLRU, since MGLRU's semantics are so different. I didn't want to dive that deep until I could show traditional LRU benefit. Certainly open to ideas if you're familiar with MGLRU semantics. ~Gregory