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From: Gang Li <ligang.bdlg@bytedance.com>
To: Peter Zijlstra <peterz@infradead.org>,
	John Hubbard <jhubbard@nvidia.com>,
	Bagas Sanjaya <bagasdotme@gmail.com>,
	Mel Gorman <mgorman@suse.de>
Cc: linux-api@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org,
	John Hubbard <jhubbard@nvidia.com>,
	Jonathan Corbet <corbet@lwn.net>, Ingo Molnar <mingo@redhat.com>,
	Juri Lelli <juri.lelli@redhat.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
	Daniel Bristot de Oliveira <bristot@redhat.com>,
	Valentin Schneider <vschneid@redhat.com>
Subject: Re: [PATCH v6 0/2] sched/numa: add per-process numa_balancing
Date: Thu, 27 Apr 2023 13:17:52 +0800	[thread overview]
Message-ID: <9ba3577b-0098-86da-ff2e-636cb5a8ae1a@bytedance.com> (raw)
In-Reply-To: <20230412140701.58337-1-ligang.bdlg@bytedance.com>

Hi,

Looks like there are no objections or comments. Do you have any ideas?

Can we merge this patch in the next merge window.

Thanks!

On 2023/4/12 22:06, Gang Li wrote:
> # Introduce
> Add PR_NUMA_BALANCING in prctl.
> 
> A large number of page faults will cause performance loss when numa
> balancing is performing. Thus those processes which care about worst-case
> performance need numa balancing disabled. Others, on the contrary, allow a
> temporary performance loss in exchange for higher average performance, so
> enable numa balancing is better for them.
> 
> Numa balancing can only be controlled globally by
> /proc/sys/kernel/numa_balancing. Due to the above case, we want to
> disable/enable numa_balancing per-process instead.
> 

  parent reply	other threads:[~2023-04-27  5:18 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-12 14:06 Gang Li
2023-04-12 14:10 ` [PATCH v6 1/2] sched/numa: use static_branch_inc/dec for sched_numa_balancing Gang Li
2023-04-12 14:11 ` [PATCH v6 2/2] sched/numa: add per-process numa_balancing Gang Li
2023-04-27  5:17 ` Gang Li [this message]
2023-04-28  7:40   ` [PATCH v6 0/2] " Bagas Sanjaya
2023-04-28  7:45     ` Gang Li
2023-05-17  9:28       ` Gang Li

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