On Tue, Apr 20, 2021 at 06:00:49PM +0300, Mike Rapoport wrote:
- mapping = (struct address_space *)
((unsigned long)page->mapping & ~PAGE_MAPPING_FLAGS);
- if (mapping != page->mapping)
return false;
- return page->mapping->a_ops == &secretmem_aops;
... why do you go back to page->mapping here?
return mapping->a_ops == &secretmem_aops