From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
linux-mm@kvack.org, Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [PATCH] mm: warn only once if page table misaccounting is detected
Date: Tue, 27 Nov 2018 11:46:26 +0300 [thread overview]
Message-ID: <20181127084626.a4l65sqqipqukrx7@kshutemo-mobl1> (raw)
In-Reply-To: <20181127083603.39041-1-heiko.carstens@de.ibm.com>
On Tue, Nov 27, 2018 at 09:36:03AM +0100, Heiko Carstens wrote:
> Use pr_alert_once() instead of pr_alert() if page table misaccounting
> has been detected.
>
> If this happens once it is very likely that there will be numerous
> other occurrence as well, which would flood dmesg and the console with
> hardly any added information. Therefore print the warning only once.
>
> Cc: Kirill A. Shutemov <kirill@shutemov.name>
> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Fair enough.
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
--
Kirill A. Shutemov
next prev parent reply other threads:[~2018-11-27 8:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 8:36 [PATCH] mm: warn only once if page table misaccounting is detected Heiko Carstens
2018-11-27 8:46 ` Kirill A. Shutemov [this message]
2018-11-27 13:19 ` Michal Hocko
2018-11-27 14:36 ` Heiko Carstens
2018-11-27 16:29 ` Michal Hocko
2018-11-27 15:52 ` Sean Christopherson
2018-11-27 15:55 ` William Kucharski
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