On Tue, 16 Dec 2014 08:53:08 -0600 (CST) Christoph Lameter <c...@linux.com> wrote:
> On Tue, 16 Dec 2014, Joonsoo Kim wrote: > > > > Like this: > > > > > > return d > 0 && d < page->objects * s->size; > > > > > > > Yes! That's what I'm looking for. > > Christoph, how about above change? > > Ok but now there is a multiplication in the fast path. Could we pre-calculate the value (page->objects * s->size) and e.g store it in struct kmem_cache, thus saving the imul ? -- Best regards, Jesper Dangaard Brouer MSc.CS, Sr. Network Kernel Developer at Red Hat Author of http://www.iptv-analyzer.org LinkedIn: http://www.linkedin.com/in/brouer -- 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/
