Re: [PATCH v1] mm/gup: remove (VM_)BUG_ONs

[Vlastimil Babka]

On 6/9/25 11:57, Vlastimil Babka wrote:
> On 6/7/25 8:00 PM, John Hubbard wrote:
>> On 6/7/25 6:53 AM, Lorenzo Stoakes wrote:
>> The worst part is that if you go to reproduce a problem, you don't
>> see the next warning in the logs!! This is devastating, especially if
>> the site makes it hard to ask for a system reboot. (If you have
>> ~20,000 nodes in the cluster, a reboot is not a small affair.)
> 
> Assuming you know how to reproduce the problem... I wonder if it would
> help if there was a way (sysctl?) to re-arm all the _ONCE warnings. It
> shouldn't be that hard hopefully?

Oh hey it already exists, since 2017

echo 1 > /sys/kernel/debug/clear_warn_once