Re: [BUG] DAMON sysfs: failed update clears tried_regions snapshot

[SJ Park]

Hi Avelin,

On Thu, 15 Oct 2026 07:22:38 -0400 Aveline Noir <jm5905938@xxxxxxxxx> wrote:

> Hi,
> 
> On mm-new commit ad9f2d463666, requesting
> update_schemes_tried_regions after stopping a kdamond returns
> -ECANCELED and clears the previous tried_regions snapshot.  The final
> result collected before "off" is then lost.

Could you further share your use case that this behavior becomes a real
problem?  Also, have you tried bisecting this to find from when this behavior
was introduced?  If so, could you share the commit that introduced this
behavior?


THanks,
SJ

[...]