Re: [PATCH v3] mm/memory-failure: Support disabling soft offline for HugeTLB pages

[Kyle Meyer <kyle.meyer@hpe.com>]

On Mon, Sep 14, 2026 at 05:37:00PM -0700, Andrew Morton wrote:
> On Mon, 14 Sep 2026 18:49:38 -0500 Kyle Meyer <kyle.meyer@hpe.com> wrote:

[...]

> I'm hitting some rejects against
> https://lore.kernel.org/20260825085756.63030-4-husong@kylinos.cn . 
> Please update this against mm.git's mm-unstalbe branch or linux-next.

Sure, I'll send a v4.

> I'd updated v2's changelog with this:
> 
> 
> Tony said:
> 
> : Recap of original problem is that some BIOS keep track of error
> : threshold per-rank and use this GHES mechanism to report threshold
> : exceeded on the rank.
> : 
> : Systems that stay up a long time can accumulate enough soft errors to
> : trigger this threshold.  But the action of taking a page offline isn't
> : going to help.  For a 4K page this is merely annoying.  For 1G page it
> : can mess things up badly.
> : 
> : My original patch for this just skipped the GHES->offline process for
> : huge pages.  But I wasn't aware of the sysctl control.  That provides a
> : better solution.
> 
> Which is cumbersome but I think there's useful info here so please
> incorporate in some way.

OK, thank you.

> > Suggested-by: Tony Luck <tony.luck@intel.com>
> > Signed-off-by: Kyle Meyer <kyle.meyer@hpe.com>
> 
> v2 had
> 
> Reported-by: Shawn Fan <shawn.fan@intel.com>
> 
> which got lost.

checkpatch.pl complained about a missing "Closes: or Link:" and I don't have a
pointer to report, but I'll add that back to v4.