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From: Uladzislau Rezki <urezki@gmail.com>
To: qiang.zhang@windriver.com
Cc: "Paul E. McKenney" <paulmck@kernel.org>,
	rcu@vger.kernel.org, linux-kernel@vger.kernel.org,
	urezki@gmail.com
Subject: Re: [PATCH] rcu: Release per-cpu krcp page cache when CPU going offline
Date: Thu, 21 Jan 2021 21:26:35 +0100
Message-ID: <20210121202635.GB2454@pc638.lan> (raw)
In-Reply-To: <20210121185615.GR2743@paulmck-ThinkPad-P72>

Hello, Qiang,

> On Thu, Jan 21, 2021 at 02:49:49PM +0800, qiang.zhang@windriver.com wrote:
> > From: Zqiang <qiang.zhang@windriver.com>
> > 
> > If CPUs go offline, the corresponding krcp's page cache can
> > not be use util the CPU come back online, or maybe the CPU
> > will never go online again, this commit therefore free krcp's
> > page cache when CPUs go offline.
> > 
> > Signed-off-by: Zqiang <qiang.zhang@windriver.com>
> 
Do you consider it as an issue? We have 5 pages per CPU, that is 20480 bytes. 

--
Vlad Rezki

  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-21  6:49 qiang.zhang
2021-01-21 18:56 ` Paul E. McKenney
2021-01-21 20:26   ` Uladzislau Rezki [this message]
2021-01-22  1:44     ` 回复: " Zhang, Qiang
2021-01-22 14:31       ` Uladzislau Rezki
2021-01-24  2:21         ` 回复: " Zhang, Qiang
2021-01-24 17:42           ` Uladzislau Rezki
2021-01-26 14:07           ` Uladzislau Rezki
2021-01-27  9:00             ` 回复: " Zhang, Qiang
2021-01-27 12:47               ` Uladzislau Rezki

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