On Sat, 3 Nov 2007, Hugh Dickins wrote: > The count of active Objects shown by Slub's slabinfo is too approximate, > because each cpu slab is counted as all in use, even when lots are free. > That makes tracing leaks harder than it need be.
True but that is the way it is for performance reasons. > Add a free count into kmem_cache_cpu (which doesn't enlarge it on 64-bit), > to keep that count in the hot and dirty per-cpu cacheline. Adds to much overhead to the fast paths and will make the current optimizations in mm impossible. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
