From: Auguste Mome <augustmome@gmail.com>
To: linux-mm@kvack.org
Subject: Re: On using allocation in sysctl handler
Date: Mon, 29 Mar 2010 13:10:25 +0200 [thread overview]
Message-ID: <17cb70ee1003290410o72b244abrbc8d41ddf2fde5f4@mail.gmail.com> (raw)
In-Reply-To: <17cb70ee1003270356g7fba07b0xf558583484748dc3@mail.gmail.com>
I did the allocation inside a lock, that's the real problem, not the
GFP thing. Really sorry for the noise.
On Sat, Mar 27, 2010 at 12:56 PM, Auguste Mome <augustmome@gmail.com> wrote:
> Hi,
> I added an allocation GFP_KERNEL inside a sysctl handler and got the error
> BUG: sleeping function called from invalid context
> in_atomic(): 1, irqs_disabled(): 0, pid: 723, name: sysctl
>
> Is it obvious error and I should use GFP_ATOMIC?
> I guess yes, but it just happens since I switched to a 2.6.30 on ppc, and it did
> not happen on 2.6.30 x86.
> So I'm not sure if something is wrong on ppc, of if something changed
> recently in sysctl,
> or simply my code was wrong and the check has improved in memory system.
>
> Thanks,
> Auguste.
>
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prev parent reply other threads:[~2010-03-29 11:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-27 10:56 On using allocation in sysctl handler Auguste Mome
2010-03-29 11:10 ` Auguste Mome [this message]
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