Re: [PATCH 0/3] dma-mapping: Improve atomic pool behaviour

[Baoquan He]

On 01/12/26 at 03:46pm, Robin Murphy wrote:
> Hi all,
> 
> These days we have somewhat of a matrix of mm zones that may or may not
> exist and may or may not be empty, which the per-zone atomic pool logic
> doesn't actually handle all that well. It's not all that difficult to
> improve robustness and reduce redundancy, so that's what this series
> aims for.
> 
> I initially wrote this just because I happened to be looking through the
> boot log of one of my boards and had one of those out-of-the-blue
> realisations of "hang on, why *is* it allocating pools for zones it
> doesn't even have memory in?", but coincidentally, it seems that others
> happened to notice related aspects around the same time[1][2]. This is
> my attempt to sort it all out properly.

Reviewed-by: Baoquan He <bhe@xxxxxxxxxx>