From: Philippe Gerum <rpm@xenomai.org>
To: Andreas Glatz <andreasglatz@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Running out of stack memory in kernel-space
Date: Thu, 28 May 2009 18:39:58 +0200 [thread overview]
Message-ID: <1243528798.22173.3.camel@domain.hid> (raw)
In-Reply-To: <1243526358.898.21.camel@domain.hid>
On Thu, 2009-05-28 at 11:59 -0400, Andreas Glatz wrote:
> Hi,
>
> We have to start 40+ Xenomai tasks in kernel space.
> We want to allocate at least 4kbyte of stack memory
> for each of them. So we need the stack heap size
> to be more than 160kbyte.
>
> In the documentation it says that the total
> stack heap size cannot be more than 128kbyte
> (the limit of kmalloc).
Could you point me at that doc? TIA,
>
> Now my idea is to modify the Xenomai code to have
> more than one stack heaps. So when I'm running out
> of space in one heap I can switch to the next heap...
>
> Is there an easier way to increase the max. stack heap size?
>
See CONFIG_XENO_OPT_SYS_STACKPOOLSZ, nucleus configuration menu.
> Best regards,
> Andreas
>
>
> _______________________________________________
> Xenomai-help mailing list
> Xenomai-help@domain.hid
> https://mail.gna.org/listinfo/xenomai-help
--
Philippe.
next prev parent reply other threads:[~2009-05-28 16:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-28 15:59 [Xenomai-help] Running out of stack memory in kernel-space Andreas Glatz
2009-05-28 16:39 ` Philippe Gerum [this message]
2009-05-28 18:23 ` Andreas Glatz
2009-05-28 22:14 ` Philippe Gerum
2009-05-28 16:52 ` Philippe Gerum
2009-05-28 17:58 ` Andreas Glatz
2009-05-28 21:47 ` Philippe Gerum
2009-06-22 13:23 ` Andreas Glatz
2009-06-23 9:30 ` Philippe Gerum
2009-06-23 9:37 ` Gilles Chanteperdrix
2009-06-23 10:23 ` Philippe Gerum
2009-06-23 10:37 ` Philippe Gerum
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