On Wed, 16 Oct 2013, Andrew Morton wrote: > This issue hasn't been well thought through. Given a random struct > page, there isn't any protocol to determine what it actually *is*. > It's a plain old variant record, but it lacks the agreed-upon tag field > which tells users which variant is currently in use.
This issue has bitten us when SLUB was first introduced. We found out the hard way f.e. that the mapping field had meaning in various contexts for a slab page. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
