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From: Rik van Riel <riel@redhat.com>
To: Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Hansen <dave@sr71.net>, Michal Hocko <mhocko@suse.cz>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] drop_caches: add some documentation and info message
Date: Fri, 07 Feb 2014 12:55:37 -0500	[thread overview]
Message-ID: <52F51E19.9000406@redhat.com> (raw)
In-Reply-To: <1391794851-11412-1-git-send-email-hannes@cmpxchg.org>

On 02/07/2014 12:40 PM, Johannes Weiner wrote:

> @@ -59,6 +60,9 @@ int drop_caches_sysctl_handler(ctl_table *table, int write,
>   	if (ret)
>   		return ret;
>   	if (write) {
> +		printk_ratelimited(KERN_INFO "%s (%d): dropped kernel caches: %d\n",
> +				   current->comm, task_pid_nr(current),
> +				   sysctl_drop_caches);
>   		if (sysctl_drop_caches & 1)
>   			iterate_supers(drop_pagecache_sb, NULL);
>   		if (sysctl_drop_caches & 2)
>

Would it be better to print this after the operation
has completed?

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  reply	other threads:[~2014-02-07 17:56 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-07 17:40 [patch] drop_caches: add some documentation and info message Johannes Weiner
2014-02-07 17:55 ` Rik van Riel [this message]
2014-02-07 18:13   ` Johannes Weiner
2014-02-07 19:29     ` Rik van Riel
2014-02-07 20:31     ` Andrew Morton
2014-02-07 21:26       ` Johannes Weiner
2014-02-10 20:51         ` Andrew Morton
2014-02-10 21:11           ` Motohiro Kosaki
2014-02-10 21:54           ` Johannes Weiner
2014-02-11 21:44             ` Andrew Morton
2014-02-08 11:55     ` Rafael Aquini

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