Linux fixes zswap stale-data corruption and swap-in PSI bugs
A critical zswap path could return old pages instead of written zeroes, while batched swap reads hid zram and async stalls from pressure and delay accounting.
By kexec#zram
zram redesign splits read/write streams, cuts latency and RAM
Sergey Senozhatsky’s zcomp overhaul ends reader/writer priority inversion and trims per-CPU compressor memory, and Andrew Morton has queued it.
By oops