linux-kernel - Re: 2.6.28-rc6-git1 -- BUG: unable to handle kernel paging request at ffff8800be8b0019

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Date:	Thu, 27 Nov 2008 16:51:28 -0600 (CST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Hugh Dickins <hugh@...itas.com>
cc:	Pekka Enberg <penberg@...helsinki.fi>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Miles Lane <miles.lane@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>, Tejun Heo <htejun@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Vegard Nossum <vegard.nossum@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: 2.6.28-rc6-git1 -- BUG: unable to handle kernel paging request
 at ffff8800be8b0019

On Thu, 27 Nov 2008, Hugh Dickins wrote:

> If we assume that, then why does KSYM_NAME_LEN allow 128?  I'll agree
> that 128 seems rather on the high side (I'd abhor symbols of anywhere
> near that length in any code I came near), but that's what's allowed,
> so shouldn't SLUB be going along with that?

Your fix looks fine. The maximum symbol length needs to be supported by
list_locations() althought a line with a symbol like that would look a bit
weird.


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