[Upstream PR #123] docs(main): justify non_upper_case_globals allow in jemalloc malloc_conf symbols

[quangdang46]

Mirrored from upstream 1jehuang/jcode — Pull Request #123 by @DeviosLang
Original state: open
Created: 2026-05-04T19:05:07Z · Updated: 2026-05-04T19:05:10Z
Diff: https://github.com/1jehuang/jcode/pull/123.diff
This issue is an auto-mirrored copy. Comments and edits here are local to quangdang46/jcode — do not expect them to propagate upstream.

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Part of the suppression cleanup backlog in docs/CODE_QUALITY_TODO.md.
malloc_conf is an ABI-defined C symbol name looked up by jemalloc at process startup. The name must be exactly malloc_conf (lower_snake_case) per the jemalloc ABI, so #[allow(non_upper_case_globals)] is load-bearing and cannot be removed.
Replace the terse one-line comments with an explanation that makes this clear to future readers, and mark the corresponding TODO item as complete.

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