690fd94f___open_books_for_an_open_world__Meaning
[Mode] i [Meaning] 
Enable inheritance-based learning, causing all accesses of this subject and anything it executes to be logged as originating from this subject. The policy generated from this learning will have the inheritance flag added to every file executed from this subject.
Grsecurity/Print version - Wikibooks, open books for an open world
Meaning