linux-kernel - Re: [patch] drop_caches: add some documentation and info message

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <52F53425.7060308@redhat.com>
Date:	Fri, 07 Feb 2014 14:29:41 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Johannes Weiner <hannes@...xchg.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Hansen <dave@...1.net>, Michal Hocko <mhocko@...e.cz>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [patch] drop_caches: add some documentation and info message

On 02/07/2014 01:13 PM, Johannes Weiner wrote:

>> Would it be better to print this after the operation
>> has completed?
>
> It would make more sense grammatically :-) Either way is fine with me,
> updated below to inform after the fact.

Well, in principle the operation could take an arbitrarily
long time, so there are some minor concerns besides
grammatical correctness, too :)

Thanks for updating the patch.

> ---
> From: Dave Hansen <dave@...ux.vnet.ibm.com>
> Date: Fri, 12 Oct 2012 14:30:54 +0200
> Subject: [patch] drop_caches: add some documentation and info message

> Dropping caches is a very drastic and disruptive operation that is
> good for debugging and running tests, but if it creates bug reports
> from production use, kernel developers should be aware of its use.
>
> Add a bit more documentation about it, and add a little KERN_NOTICE.
>
> [akpm@...ux-foundation.org: checkpatch fixes]
> Signed-off-by: Dave Hansen <dave@...ux.vnet.ibm.com>
> Signed-off-by: Michal Hocko <mhocko@...e.cz>
> Acked-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>

Reviewed-by: Rik van Riel <riel@...hat.com>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/