PAGE_IS_WPALLOWED
#define PM_SCAN_CATEGORIES (PAGE_IS_WPALLOWED | PAGE_IS_WRITTEN | \
unsigned long required = p->arg.category_mask & PAGE_IS_WPALLOWED;
vma_category |= PAGE_IS_WPALLOWED;
#define PAGEMAP_BITS_ALL (PAGE_IS_WPALLOWED | PAGE_IS_WRITTEN | \
#define PAGEMAP_NON_WRITTEN_BITS (PAGE_IS_WPALLOWED | PAGE_IS_FILE | \
arg.category_anyof_mask = PAGE_IS_WPALLOWED | PAGE_IS_WRITTEN | PAGE_IS_FILE |