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rt: Release big stacks immediately after use to avoid holding on to them... - #6581
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brson wants to merge 1 commit into
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rt: Release big stacks immediately after use to avoid holding on to them...#6581brson wants to merge 1 commit into
brson wants to merge 1 commit into
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…hem through yields This avoids the following pathological scenario that makes threadring OOM: 1) task calls C using fast_ffi, borrowing a big stack from the scheduler. 2) task returns from C and places the big stack on the task-local stack segment list 3) task calls further Rust functions that require growing the stack, and for this reuses the big stack 4) task yields, failing to return the big stack to the scheduler. 5) repeat 500+ times and OOM
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Aug 21, 2026
6577: fix typos in syntax.md r=matklad a=jakobhellermann 6579: cargo update and add new license r=matklad a=kjeremy 6581: Use vscode-languageclient 7.0.0-next.14 r=matklad a=kjeremy Co-authored-by: Jakob Hellermann <jakob.hellermann@protonmail.com> Co-authored-by: kjeremy <kjeremy@gmail.com>
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... through yields
r? @pcwalton
This avoids the following pathological scenario that makes threadring OOM:
Fixes#5985