Messages in this thread |  | | | Date | Mon, 11 Oct 2010 19:11:25 -0700 (PDT) | | From | David Rientjes <> | | Subject | Re: [resend][PATCH] mm: increase RECLAIM_DISTANCE to 30 |
| |
On Fri, 8 Oct 2010, Christoph Lameter wrote:
> It implies that zone reclaim is going to be automatically enabled if the > maximum latency to the memory farthest away is 3 times or more that of a > local memory access. >
It doesn't determine what the maximum latency to that memory is, it relies on whatever was defined in the SLIT; the only semantics of that distance comes from the ACPI spec that states those distances are relative to the local distance of 10.
|  |