Messages in this thread |  | | | Date | Thu, 8 Apr 2004 02:14:48 +0200 | | From | Andi Kleen <> | | Subject | Re: NUMA API for Linux |
| |
On Wed, 7 Apr 2004 16:56:39 -0700 Andrew Morton <akpm@osdl.org> wrote:
> If you _do_ use the feature, what is the overhead? 12 bytes for each and > every vma? Or just for the vma's which have a non-default policy?
Just for VMAs with a non default policy. Default policy is always NULL
> Your patch takes the CONFIG_NUMA vma from 64 bytes to 68. It would be nice > to pull those 4 bytes back somehow.
Eliminate the RB color field or use rb_next() instead of vm_next. First alternative is cheaper.
-Andi - 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/
|  |