Re: [PATCH v2 3/4] mm, page_owner: keep owner info when freeing the page

[Kirill A. Shutemov]

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