From: Grant Likely <grant.likely@secretlab.ca>
To: =?ISO-8859-1?Q?S=E9bastien_Chr=E9tien_
<sebasti?==?ISO-8859-1?Q?en.chretien.enseirb@gmail.com>,
?=@secretlab.ca
Cc: linuxppc-dev@ozlabs.org
Subject: Re: ioremap and vmalloc
Date: Fri, 19 Sep 2008 07:49:34 -0600 [thread overview]
Message-ID: <20080919134933.GA7849@secretlab.ca> (raw)
In-Reply-To: <319b0ac50809190415g6d132058l9bb8521046502eab@mail.gmail.com>
On Fri, Sep 19, 2008 at 01:15:20PM +0200, =?ISO-8859-1?Q?S=E9bastien_Chr=E9tien_ wrote:
> Hello,
>
> When I use ioremap, the second time, I obtain this message :
>
> allocation failed: out of vmalloc space - use vmalloc=<size> to increase
> size.
> What can I do in order to fix this problem ?
How large are the regions that you are ioremapping? The kernel sets
aside a fixed amount of the virtual address space for ioremaps, and if
you exhaust that then more ioremaps will stop working.
g.
next prev parent reply other threads:[~2008-09-19 14:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-19 11:15 ioremap and vmalloc Sébastien Chrétien
2008-09-19 13:49 ` Grant Likely [this message]
2008-09-19 16:34 ` Sébastien Chrétien
2008-09-19 16:38 ` Josh Boyer
2008-09-19 16:45 ` Sébastien Chrétien
2008-09-19 16:58 ` Josh Boyer
2008-09-19 17:12 ` Grant Likely
2008-09-19 17:47 ` Sébastien Chrétien
2008-09-19 17:52 ` Sébastien Chrétien
2008-09-22 5:28 ` Benjamin Herrenschmidt
2008-09-19 16:43 ` Grant Likely
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