Messages in this thread |  | | Subject | Re: [PATCH v2 4/5] mm: use node_page_state_snapshot to avoid deviation | From | kemi <> | Date | Thu, 21 Dec 2017 09:39:01 +0800 |
| |
On 2017年12月20日 23:58, Christopher Lameter wrote: > On Wed, 20 Dec 2017, kemi wrote: > >>> You are making numastats special and I yet haven't heard any sounds >>> arguments for that. But that should be discussed in the respective >>> patch. >>> >> >> That is because we have much larger threshold size for NUMA counters, that means larger >> deviation. So, the number in local cpus may not be simply ignored. > > Some numbers showing the effect of these changes would be helpful. You can > probably create some in kernel synthetic tests to start with which would > allow you to see any significant effects of those changes. > > Then run the larger testsuites (f.e. those that Mel has published) and > benchmarks to figure out how behavior of real apps *may* change? >
OK. I will do that when available. Let's just drop this patch in this series and consider this issue in another patch.
|  |