From: Aaro Koskinen <aaro.koskinen@iki.fi>
To: Wladislav Wiebe <wladislav.kw@gmail.com>
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: Wed, 31 Jul 2013 20:34:34 +0300 [thread overview]
Message-ID: <20130731173434.GA27470@blackmetal.musicnaut.iki.fi> (raw)
In-Reply-To: <51F8F827.6020108@gmail.com>
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
[...]
> [ccd3be60] [c0099fd4] kmalloc_slab+0x48/0xe8 (unreliable)
> [ccd3be70] [c00ae650] __kmalloc+0x20/0x1b4
> [ccd3be90] [c00d46f4] seq_read+0x2a4/0x540
> [ccd3bee0] [c00fe09c] proc_reg_read+0x5c/0x90
> [ccd3bef0] [c00b4e1c] vfs_read+0xa4/0x150
> [ccd3bf10] [c00b500c] SyS_read+0x4c/0x84
> [ccd3bf40] [c000be80] ret_from_syscall+0x0/0x3c
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?
A.
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next prev parent reply other threads:[~2013-07-31 17:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-31 11:42 Wladislav Wiebe
2013-07-31 13:59 ` Christoph Lameter
[not found] ` <alpine.DEB.2.02.1307310858150.30572@gentwo.org>
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 16:33 ` Wladislav Wiebe
2013-07-31 17:04 ` Christoph Lameter
2013-08-06 7:15 ` Wladislav Wiebe
2013-08-06 14:57 ` Christoph Lameter
2013-07-31 17:34 ` Aaro Koskinen [this message]
2013-08-01 8:50 ` Wladislav Wiebe
2013-08-12 11:06 ` Wladislav Wiebe
2013-08-12 23:24 ` Benjamin Herrenschmidt
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