From: Wladislav Wiebe <wladislav.kw@gmail.com>
To: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: dedekind1@gmail.com, dwmw2@infradead.org, penberg@kernel.org,
linux-mm@kvack.org, linux-mtd@lists.infradead.org, cl@linux.com,
linuxppc-dev@lists.ozlabs.org
Subject: Re: mm/slab: ppc: ubi: kmalloc_slab WARNING / PPC + UBI driver
Date: Thu, 01 Aug 2013 10:50:47 +0200 [thread overview]
Message-ID: <51FA2167.7060305@gmail.com> (raw)
In-Reply-To: <20130731173434.GA27470@blackmetal.musicnaut.iki.fi>
Hi,
On 31/07/13 19:34, Aaro Koskinen wrote:
> Hi,
>
> On Wed, Jul 31, 2013 at 01:42:31PM +0200, Wladislav Wiebe wrote:
>> DEBUG: xxx kmalloc_slab, requested 'size' = 8388608, KMALLOC_MAX_SIZE = 4194304
> [...]
>
> It seems some procfs file is trying to dump 8 MB at a single go. You
> need to fix that to return data in smaller chunks. What file is it?
seems it's coming from DT:
..
DEBUG: xxx seq_path: file path = /proc/device-tree/localbus@5000/flash@0/partition@1/reg
------------[ cut here ]------------
..
need to check if and how it's possible divide it in smaller chunks.
If somebody has suggestions, feel free to comment-)
Thanks & BR
Wladislav Wiebe
WARNING: multiple messages have this Message-ID (diff)
From: Wladislav Wiebe <wladislav.kw@gmail.com>
To: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: penberg@kernel.org, cl@linux.com, linux-mm@kvack.org,
linuxppc-dev@lists.ozlabs.org, dedekind1@gmail.com,
dwmw2@infradead.org, linux-mtd@lists.infradead.org
Subject: Re: mm/slab: ppc: ubi: kmalloc_slab WARNING / PPC + UBI driver
Date: Thu, 01 Aug 2013 10:50:47 +0200 [thread overview]
Message-ID: <51FA2167.7060305@gmail.com> (raw)
In-Reply-To: <20130731173434.GA27470@blackmetal.musicnaut.iki.fi>
Hi,
On 31/07/13 19:34, Aaro Koskinen wrote:
> Hi,
>
> On Wed, Jul 31, 2013 at 01:42:31PM +0200, Wladislav Wiebe wrote:
>> DEBUG: xxx kmalloc_slab, requested 'size' = 8388608, KMALLOC_MAX_SIZE = 4194304
> [...]
>
> It seems some procfs file is trying to dump 8 MB at a single go. You
> need to fix that to return data in smaller chunks. What file is it?
seems it's coming from DT:
..
DEBUG: xxx seq_path: file path = /proc/device-tree/localbus@5000/flash@0/partition@1/reg
------------[ cut here ]------------
..
need to check if and how it's possible divide it in smaller chunks.
If somebody has suggestions, feel free to comment-)
Thanks & BR
Wladislav Wiebe
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next prev parent reply other threads:[~2013-08-01 8:51 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-31 11:42 mm/slab: ppc: ubi: kmalloc_slab WARNING / PPC + UBI driver Wladislav Wiebe
2013-07-31 11:42 ` Wladislav Wiebe
2013-07-31 11:58 ` Matthieu CASTET
2013-07-31 13:59 ` Christoph Lameter
2013-07-31 13:59 ` Christoph Lameter
[not found] ` <alpine.DEB.2.02.1307310858150.30572@gentwo.org>
2013-07-31 15:17 ` Christoph Lameter
2013-07-31 15:17 ` Christoph Lameter
[not found] ` <alpine.DEB.2.02.1307311015320.30997@gentwo.org>
2013-07-31 15:45 ` Christoph Lameter
2013-07-31 15:45 ` Christoph Lameter
2013-07-31 16:33 ` Wladislav Wiebe
2013-07-31 16:33 ` Wladislav Wiebe
2013-07-31 17:04 ` Christoph Lameter
2013-07-31 17:04 ` Christoph Lameter
2013-08-06 7:15 ` Wladislav Wiebe
2013-08-06 7:15 ` Wladislav Wiebe
2013-08-06 14:57 ` Christoph Lameter
2013-08-06 14:57 ` Christoph Lameter
2013-07-31 17:34 ` Aaro Koskinen
2013-07-31 17:34 ` Aaro Koskinen
2013-08-01 8:50 ` Wladislav Wiebe [this message]
2013-08-01 8:50 ` Wladislav Wiebe
2013-08-12 11:06 ` Wladislav Wiebe
2013-08-12 11:06 ` Wladislav Wiebe
2013-08-12 23:24 ` Benjamin Herrenschmidt
2013-08-12 23:24 ` Benjamin Herrenschmidt
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