On Mon, Mar 11, 2024 at 09:49:45AM +0000, Howard Yen wrote: > In the system I'm working on, there is an always-on subsystem which > includes a small size memory, and several functions need to run and > occupy the memory from the small memory if they need to run on the > always-on subsystem. These functions must allocate the memory from the > small memory region, so that they can get benefit from the always-on > subsystem. So the small memory is split for multiple functions which are > satisfied with their generic use cases. But in specific use cases, like > USB3 devices which support the stream trasnsfer or multiple devices > connect to the host, they required more memory than their pre-allocated > memory region. I tried to implement it in a generic way and propose this > patch to give it the ability to get the memory from the other larger > memory to solve the issue. > Changelog > -------------------------------------------- > Changes in v5: > - Fix build break. > - Use of_property_count_u32_elems() instead of > of_property_count_elems_of_size(). Have you tried to use --histogram diff algo? -- With Best Regards, Andy Shevchenko