On Tue, Jun 25, 2024 at 07:24:38PM +0800, alexjlzheng@xxxxxxxxx wrote: > I am sorry, but I didn't get your point. May I ask if you could clarify your > viewpoint more clearly? The explanation you gave in reply to Darrick should be covered in the commit log for the patch. The commit log should also contain measurement of how much memory this saves and explain why this is a good trafeoff vs the extra memory allocation.