FWIW, there has been a lot of research on making GC (particularly on the JVM) communicate its memory status to the kernel, but the (usually Linux) kernel develo

FWIW, there has been a lot of research on making GC (particularly on the JVM) communicate its memory status to the kernel, but the (usually Linux) kernel developers’ attitude was always “no, you don’t get to put your thesis into mainline, unless you can prove people actually use it”. Which is partly fair, but the end result is still a dumb chicken-and-egg situation.