From: hunghochak@netscape.net (Ho Chak Hung)
To: mikeg@wen-online.de
Cc: linux-kernel@vger.kernel.org
Subject: Re: __alloc_pages 4 order allocation failed
Date: Wed, 11 Jul 2001 13:19:45 -0400 [thread overview]
Message-ID: <448CBB1C.4314B00D.0F76C228@netscape.net> (raw)
In-Reply-To: <Pine.LNX.4.33.0107110720200.709-100000@mikeg.weiden.de>
Hi,
but there isn't any call in the module to allocate 4 order pages. There are only calls to allocate 0 order pages. alloc_pages(GFP_KERNEL, 0)is the only call to allocate page in the whole module.
Mike Galbraith <mikeg@wen-online.de> wrote:
>
> On Tue, 10 Jul 2001, Ho Chak Hung wrote:
>
> > Hi,
> >
> > When I run a module, sometimes it gives such an error __alloc_pages 4 order allocation failed.
> > However, there is only 0 order page allocation function call within the whole module.
> > Does anyone know where does the 4 order allocation failure comes from?
> > Thanks
>
> Memory fragmentation. It is never safe to assume that high order
> allocations will succeed.
>
> -Mike
>
>
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next parent reply other threads:[~2001-07-11 17:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.33.0107110720200.709-100000@mikeg.weiden.de>
2001-07-11 17:19 ` Ho Chak Hung [this message]
2001-07-11 17:31 ` __alloc_pages 4 order allocation failed Mike Galbraith
2001-07-12 7:32 ` Steffen Persvold
2001-07-12 11:19 ` Mike Galbraith
2001-07-10 22:01 Ho Chak Hung
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