aio: warn user if combined io_uring memory mappings are unavailable

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ID 6421
Title aio: warn user if combined io_uring memory mappings are unavailable
CI (CFBot) Summary
Stats (from CFBot) Patch version: v2, Patch count: 1, First patch: +12−4, All patches: +12−4
Tags Performance
Created 2026-01-21 12:57:24
Last modified 2026-03-02 08:46:12 (yesterday)
Latest email 2025-11-10 08:59:58 (3 months ago)
Status
PG19-Final (2026-03-01 – 2026-03-31): Ready for Committer
Target version stable
Authors Jakub Wartak (jakub.wartak.tomtom)
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postmaster uses more CPU in 18 beta1 with io_method=io_uring
First at 2025-06-03 19:24:38 by MARK CALLAGHAN <mdcallag at gmail.com>
Latest at 2025-11-10 08:59:58 by Jakub Wartak <jakub.wartak at enterprisedb.com>
Latest attachment (v2-0001-aio-warn-user-if-combined-io_uring-memory-mapping.patch) at 2025-09-22 08:45:12 from Jakub Wartak <jakub.wartak at enterprisedb.com>
    Attachment (v2-0001-aio-warn-user-if-combined-io_uring-memory-mapping.patch) at 2025-09-22 08:45:12 from Jakub Wartak <jakub.wartak at enterprisedb.com> (Patch: Yes)
    Attachment (v1-0001-aio-warn-user-if-combined-io_uring-memory-mapping.patch) at 2025-09-09 12:51:13 from Jakub Wartak <jakub.wartak at enterprisedb.com> (Patch: Yes)
    Attachment (v1-0001-wip-aio-Combine-io_uring-memory-mappings-if-suppo.patch) at 2025-06-05 18:32:10 from Andres Freund <andres at anarazel.de> (Patch: Yes)
History
When Who What
2026-03-02 08:46:12 Jakub Wartak (jakub.wartak.tomtom) New status: Ready for Committer
2026-01-21 12:57:24 Jakub Wartak (jakub.wartak.tomtom) Attached mail thread CAFbpF8OA44_UG+RYJcWH9WjF7E3GA6gka3gvH6nsrSnEe9H0NA@mail.gmail.com
2026-01-21 12:57:24 Jakub Wartak (jakub.wartak.tomtom) Created patch record
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