Post Syndicated from original https://lwn.net/Articles/937839/

The page structure sits at the core of the kernel’s
memory-management subsystem; one such structure exists for every page of
installed RAM. This structure is increasingly seen as a problem, though,
and phasing it out is one of the many side projects associated with the folio conversion. One step in that direction
is currently meeting some pushback from memory-management developers,
though, who think that some of these changes are coming too soon.