> Well, there is some documentation here: > > https://lwn.net/Articles/447435/ I know this, I learned from this page :) What I'm saying is that I don't know what to write inside the code to make it clearer than now. I think is clear, because if you know the videobuf2, you know what I'm doing in each vb2_mem_ops. I suppose that this is the reason why there are no comments inside the other memory allocator. Maybe I am wrong. -- Federico Vaga -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html