discard.
Fragmentation under extreme pressure might not be that
serious an issue if we are having really slow SSDs, and
might even be no longer an issue if we have a generic
solution for frags?[PATCH 1/4] mm, swap: do not perform synchronous discard during allocationKairui Song <ryncsn@gmail.com> undefinedChris Li <chrisl@kernel.org> undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefinedƒ%ƒŽ