It exists, or existed; search for "swapd". I remember it because it was in that context I submitted my one and only kernel patch (which was rightfully ignored).
swapd was essentially useless, because there was just no way for userspace to notice out of swap condition soon enough with polling. Maybe with a bit of kernel help like a netlink socket it would have been possible.
Copyright © 2017, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds