[$] Swap tables, flash-friendly swap, swap_ops, and more
The kernel’s swap subsystem is charged with managing anonymous pages in
secondary storage when those pages are (hopefully) not being used and the
memory they occupy is needed elsewhere. This long-unloved subsystem has
seen a resurgence of developer interest in recent times, so it is not
surprising that it was the topic of three separate sessions in the
memory-management track at the
2026 [Linux Storage,\
Filesystem, Memory Management, and BPF Summit](https://events.linuxfoundat … ⌘ Read more