v.25.6Improvement

Avoid logs polluting

Official CH changelog text
Do not complain about unsupported MADV_POPULATE_WRITE for older kernels in logs (to avoid logs polluting). #80704 (Robert Schulze).
ClickHouse suppresses log warnings related to unsupported MADV_POPULATE_WRITE on older Linux kernels.

Why it matters

This change prevents log pollution by avoiding repeated warnings about the lack of support for MADV_POPULATE_WRITE on older kernels, thereby making logs cleaner and more user-friendly.

How to use it

This feature is applied automatically; no user action is required to enable or configure this behavior.

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