Thanks for pointing MADV_GUARD_*

Posted Mar 3, 2025 22:00 UTC (Mon) by wtarreau (subscriber, #51152)
Parent article: Guard pages for file-backed memory

Thanks for pointing MADV_GUARD_REMOVE/MADV_GUARD_INSTALL, I was making my own guard pages myself (like anyone I guess) and indeed it's a mess which triples the number of VMAs. I'll have a look, that can be very helpful, even if it's only supported since 6.13.