We currently do some memory reduction work in non-visible Web processes (those that only have background tabs) off a timer. We can ask the system malloc to free up memory off one of these timers.
rdar://106009868
Pull request: https://github.com/WebKit/WebKit/pull/10883
Committed 261087@main (0668d887feed): <https://commits.webkit.org/261087@main> Reviewed commits have been landed. Closing PR #10883 and removing active labels.