Messages in this thread | | | Subject | Re: Re: Re: Re: [PATCH v1] sched/numa: add per-process numa_balancing | From | Gang Li <> | Date | Tue, 9 Nov 2021 18:40:43 +0800 |
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On 11/9/21 5:19 PM, Mel Gorman wrote: > On Tue, Nov 09, 2021 at 04:28:28PM +0800, Gang Li wrote: >> If the global tuning affects default behaviour and the prctl >> affects specific behaviour. Then when prctl specifies >> numa_balancing for a process, there is no way for the >> global tuning to affect that process. > > While I think it's very likely that the common case will be to disable > NUMA balancing for specific processes, > prctl(PR_NUMA_BALANCING,PR_SET_NUMA_BALANCING,1) should still be > meaningful. >
I'm still a bit confused.
If we really want to enable/disable numa_balancing for all processes, but some of them override the global numa_balancing using prctl, what should we do?
Do we iterate through these processes to enable/disable them individually?
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