On Wed, 26 Sep 2012, David Rientjes 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 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/