[londons_explore]

I didn't mention either because Android does both of those too. (via zRAM and the Low Memory Killer Daemon)

[gajjanag]

lmkd (low memory killer daemon) works fairly differently off of a different set of signals and different policy. But yes, conceptually they try to achieve the same goal.

I also do not know if Android combines system libraries into one big file for the savings, something Apple devices do.