Linux MIPS Architecture development
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From: Fuxin Zhang <fxzhang@ict.ac.cn>
To: Srinivas Kommu <kommu@hotmail.com>
Cc: Linux/MIPS Development <linux-mips@linux-mips.org>
Subject: Re: Preempted interrupt handler
Date: Thu, 22 Dec 2005 08:46:34 +0800	[thread overview]
Message-ID: <43A9F76A.4080305@ict.ac.cn> (raw)
In-Reply-To: <20051221193906.GB1456@sjc-xdm-007.cisco.com>


> Is it normal for the modules to be loaded at 0xc0000000 (this is
> highmem, isn't it)? I see the same on my bcm1250 box. I've been wondering
> why they can't be loaded in kseg0. Or is it because of bad
> modutils/compiler flags?
It is not necessary highmem. 0xc0000000 is a MAPPED(i.e. use TLB) kernel
segment,
used by vmalloc to allocate a large virtually continous memory area for
modules. Use kseg0 you have to get a large physically continuous area,
and that is difficult unless you reserve some memory.
> 
> thanks
> srini
> 
>>   Ralf
> 

  parent reply	other threads:[~2005-12-22  0:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-19 17:43 Preempted interrupt handler Yoann Allain
2005-12-20 13:18 ` Ralf Baechle
2005-12-21 19:39   ` Srinivas Kommu
2005-12-21 20:15     ` Steven J. Hill
2005-12-22  0:46     ` Fuxin Zhang [this message]
2005-12-22  8:35       ` Yoann Allain

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