Messages in this thread | | | Subject | Re: [patch02/05]: Containers(V2)- Generic Linux kernel changes | From | Rohit Seth <> | Date | Wed, 20 Sep 2006 17:53:40 -0700 |
| |
On Wed, 2006-09-20 at 17:41 -0700, Christoph Lameter wrote: > On Wed, 20 Sep 2006, Rohit Seth wrote: > > > ...my preference is to leave it in page struct...that has non-zero cost. > > Oh. Making struct page bigger than a cacheline or not fitting exactly in a > cacheline has some costs. >
Isn't most of the architectures not defining WANT_PAGE_VIRTUAL and thus the page structure on these is not fitting cache line well. In most of these cases the additional pointer will actually make the structure 64 bytes on 64-bit machines.
-rohit
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |