Re: [PATCH] dma-debug: Make things less spammy under memory pressure

[Christoph Hellwig]

On Tue, May 31, 2022 at 03:19:45PM -0700, Rob Clark wrote:
> um, quite..  tbf that was in the context of a WIP igt test for
> shrinker which was trying to cycle thru ~2x RAM size worth of GEM
> buffers on something like 72 threads.  So it could just be threads
> that had gotten past the dma_debug_disabled() check already before
> global_disable was set to true?
> 
> I guess this could be pr_err_once() instead, then?

Yes, we could use pr_err_once to reduce the chattyness while still
keeping global_disable to disable all the actual tracking.