When running the membuster benchmark on MacBookAir8,2 with background tab suspension enabled, we are seeing a ~8% regression in performance. It appears to be due to the process having too low of a priority when responding to low memory OS signals.
rdar://106969950
Pull request: https://github.com/WebKit/WebKit/pull/12763
Committed 263264@main (0420e99f1060): <https://commits.webkit.org/263264@main> Reviewed commits have been landed. Closing PR #12763 and removing active labels.