๐ [$] How to cope with hardware-poisoned page-cache pages
๐ก Newskategorie: Linux Tipps
๐ Quelle: lwn.net
"Hardware poisoning" is a mechanism for detecting and handling memory errors in a running system. When a particular range of memory ceases to remember correctly, it is "poisoned" and further accesses to it will generate errors. The kernel has had support for hardware poisoning for over a decade, but that doesn't mean it can't be improved. At the 2022 Linux Storage, Filesystem, Memory-management and BPF Summit, Yang Shi discussed the challenges of dealing with hardware poisoning when it affects memory used for the page cache. ...