fix(gc): run old-gen reclaim precisely at safepoints, stop scanning on OS memory pressure, and census every conservative-scan fallback - #7166

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proggeramlug merged 8 commits into

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fix/7148-safepoint-deferral

Aug 1, 2026

Commits on Aug 1, 2026

fix(gc): defer old-gen reclaim and host pressure to precise safepoints; census every conservative-scan fallback
Ralph Küpper
committed
630550b
test(gc): red-then-green coverage for the #7148 safepoint deferrals
Ralph Küpper
committed
5f1ae1d
docs(gc-ratchet): record why PERRY_CONSERVATIVE_STACK_SCAN=full is kept and how it was verified
Ralph Küpper
committed
4030e55
changelog: fragment for PR 7166
Ralph Küpper
committed
9518747
refactor(gc): split roots/scan_mode.rs out; delete the host-pressure conservative arm outright
Ralph Küpper
committed
6abb9e6
docs(gc): correct SafepointDrainKind::HostPressure — it is a synchronous inline collection, not a deferred drain (CodeRabbit)
Ralph Küpper
committed
3bf3e54
fix(gc): site 1 is 'keep + add a competing precise path', not 'defer'
Ralph Küpper
committed
684449a
changelog: update fragment for the reworked site-1 disposition and the #7161 interaction
Ralph Küpper
committed
55a6f6f