Am Montag, 5. Februar 2018, 15:02:03 CET schrieb Jonathan Cameron: Hi Jonathan, > I could drop this for the initial submission and bring it in as an > optimization with supporting numbers as a follow up patch. I am not disputing the code itself. It just occurred to me that the code is similar to the fixed code which did not handle an SGL with a leading SG entry having no associated page. Thus, I thought I ask :-) Ciao Stephan