← WebKit — 2026-W35
0839f9342ed5056785ce58ed9c5a0f92b323f625 [JSC] Introduce JSC WarmUpThread for MarkedBlocks
not a security fix
confidence 0.1
signal score 9.32
Source/JavaScriptCore/runtime
Classified as not security-relevant.
Triage note: Introduces WarmUpBlockProvider to make MarkedBlock pages resident on a helper thread plus $vm test hooks and Options flags. Performance optimization, not a security fix.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Triage note: Introduces WarmUpBlockProvider to make MarkedBlock pages resident on a helper thread plus $vm test hooks and Options flags. Performance optimization, not a security fix.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.
Structural signals: smartptr_member_added (+4.87), security_assert (+3.0), null_guard (+1.95), msg_feature (-1.0), area:Source/JavaScriptCore/runtime (+2.5), large_churn (-2.0)
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