On 15.03.22 17:37, Xin Hao wrote: s/minotor/monitor/ > The purpose of these patches is to add CMA memory monitoring function. > In some memory tight scenarios, it will be a good choice to release more > memory by monitoring the CMA memory. I'm sorry, but it's hard to figure out what the target use case should be. Who will release CMA memory and how? Who will monitor that? What are the "some memory tight scenarios"? What's the overall design goal? -- Thanks, David / dhildenb