On Thu, 27 Sep 2012, Christoph Lameter wrote: > > I would suggest cachep->flags being used solely for the flags passed to > > kmem_cache_create() and seperating out all "internal flags" based on the > > individual slab allocator's implementation into a different field. There > > should be no problem with moving CFLGS_OFF_SLAB elsewhere, in fact, I just > > removed a "dflags" field from mm/slab.c's kmem_cache that turned out never > > to be used. You could simply reintroduce a new "internal_flags" field and > > use it at your discretion. > > This means touching another field from critical paths of the allocators. > It would increase the cache footprint and therefore reduce performance. >
To clarify your statement, you're referring to the mm/slab.c allocation of new slab pages and when debugging is enabled as "critical paths", correct? We would disagree on that point. -- 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/
