> + struct { > + /* > + * ZONE_DEVICE pages are never on an lru or handled by > + * a slab allocator, this points to the hosting device > + * page map. > + */ > + struct dev_pagemap *pgmap; > + /* > + * inode association for MEMORY_DEVICE_FS_DAX page-idle > + * callbacks. Note that we don't use ->mapping since > + * that has hard coded page-cache assumptions in > + * several paths. > + */ What assumptions? I'd much rather fix those up than having two fields that have the same functionality. -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html