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From: Gang Li <ligang.bdlg@bytedance.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Jonathan Corbet <corbet@lwn.net>, Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	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>,
	Daniel Bristot de Oliveira <bristot@redhat.com>,
	linux-api@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: Re: Re: Re: Re: Re: Re: [PATCH v1] sched/numa: add per-process numa_balancing
Date: Wed, 17 Nov 2021 17:38:28 +0800	[thread overview]
Message-ID: <816cb511-446d-11eb-ae4a-583c5a7102c4@bytedance.com> (raw)
In-Reply-To: <20211117082952.GA3301@suse.de>

On 11/17/21 4:29 PM, Mel Gorman wrote:
> 
> It's a bit vague but if you wanted to put together the outline, I'd read
> over it. Note that this was all in the context of trying to introduce an

Sorry, maybe I shouldn't propose new feature in this context.

> API like
> 
> Disable/enable per-process numa balancing:
>          prctl(PR_NUMA_BALANCING, PR_SET_NUMA_BALANCING, 0/1);
> 
> i.e. one that controlled both enabling and disabling. You also have
> the option of introducing the NUMAB equivalent of PR_SET_THP_DISABLE --
> an API that is explicitly about disabling *only*.
> 

If those APIs are ok with you, I will send v2 soon.

1. prctl(PR_NUMA_BALANCING, PR_SET_THP_DISABLE);
2. prctl(PR_NUMA_BALANCING, PR_SET_THP_ENABLE);
3. prctl(PR_NUMA_BALANCING, PR_GET_THP);

IIUC, "THP" means "this process" or "the process".



  reply	other threads:[~2021-11-17  9:39 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-27 13:26 Gang Li
2021-10-28 15:30 ` Mel Gorman
2021-10-29  6:12   ` Gang Li
2021-10-29  8:37     ` Mel Gorman
2021-11-09  8:28       ` 李港
2021-11-09  9:19         ` Mel Gorman
2021-11-09 10:40           ` Gang Li
2021-11-09 12:12             ` Mel Gorman
2021-11-09 13:58               ` Gang Li
2021-11-09 16:26                 ` Mel Gorman
2021-11-17  7:07                   ` Gang Li
2021-11-17  8:29                     ` Mel Gorman
2021-11-17  9:38                       ` Gang Li [this message]
2021-11-17 10:10                         ` Mel Gorman
2021-11-18  3:26                           ` Gang Li
2021-11-18  8:58                             ` Mel Gorman
2021-11-18  9:49                               ` Gang Li
2021-10-29  7:48   ` [External] " 李港
2021-11-22  7:34   ` Gang Li

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