Re: kmap_kiobuf()

Stephen C. Tweedie (sct@redhat.com)
Wed, 28 Jun 2000 19:06:12 +0100


Hi,

On Wed, Jun 28, 2000 at 11:52:40AM -0500, lord@sgi.com wrote:
>
> I am not a VM guy either, Ben, is the cost of the TLB flush mostly in
> the synchronization between CPUs, or is it just expensive anyway you
> look at it?

The TLB IPI is by far the biggest factor here.

--Stephen

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/