Messages in this thread | | | Date | Mon, 27 Jun 2022 16:40:26 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH] RAS/CEC: Reduce default threshold to offline a page to "2" |
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On Tue, Jun 07, 2022 at 02:20:15PM -0700, Tony Luck wrote: > A large scale study of memory errors in data centers showed that it is > best to aggressively take pages with corrected errors offline. This is > the best strategy of using corrected errors as a predictor of future > uncorrected errors. > > Signed-off-by: Tony Luck <tony.luck@intel.com> > > --- > Here's the link to the study. I thought of putting into the code > comment, or the commit comment. But these links are sometimes changed > as website is re-organised, making the link stale. > > https://www.intel.com/content/dam/www/public/us/en/documents/intel-and-samsung-mrt-improving-memory-reliability-at-data-centers.pdf > > The paper has two recommendations: > 1) Change threshold to "2".
Kinda unconditional that... we haven't talked to other vendors even.
> 2) Do very smart platform dependent things
If you mean AI, that probably won't happen in the kernel.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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