Re: [syzbot] [mm?] WARNING in mas_nomem

[Jason Gunthorpe]

On Fri, Jul 31, 2026 at 06:07:24PM +0200, Vlastimil Babka (SUSE) wrote:

> > Thanks to Vlastimil and Pedro for the help on the plan.
> > 
> > Summary of previous conversation is here:
> > https://lore.kernel.org/all/20260618152451.GE231643@xxxxxxxx/
> 
> Yeah, unfortunately, "too small to fail" is a lie, because in some cases it
> can fail (such as the task itself becoming oom killer victim) or any of the
> other conditions that can cause __alloc_pages_may_oom() return with
> *did_some_progress == 0.

But then we are back to the original problem, an erase API that can
fail is fundamentally broken.

Jason