On Tue, Aug 20, 2019 at 03:18:27PM +0200, Vlastimil Babka wrote: > For debugging purposes it might be useful to keep the owner info even after > page has been freed, and include it in e.g. dump_page() when detecting a bad > page state. For that, change the PAGE_EXT_OWNER flag meaning to "page owner > info has been set at least once" and add new PAGE_EXT_OWNER_ACTIVE for > tracking > whether page is supposed to be currently tracked allocated or free.
Why not PAGE_EXT_OWNER_ALLOCED if it means "allocated"? Active is somewhat loaded term for a page. -- Kirill A. Shutemov
