linux-kernel - Re: 2.6.21-rc7-mm2 crash: Eeek! page_mapcount(page) went negative! (-1)

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Date:	Wed, 02 May 2007 17:10:07 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Tilman Schmidt <tilman@...p.cc>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Hugh Dickins <hugh@...itas.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: 2.6.21-rc7-mm2 crash: Eeek! page_mapcount(page) went negative!
 (-1)

Tilman Schmidt wrote:
> Am 30.04.2007 21:46 schrieb Andrew Morton:
> 
>>Not really - everything's tangled up.  A bisection search on the
>>2.6.21-rc7-mm2 driver tree would be the best bet.
> 
> 
> And the winner is:
> 
> gregkh-driver-driver-core-make-uevent-environment-available-in-uevent-file.patch

+	struct kobject *top_kobj;
+	struct kset *kset;
+	char *envp[32];
+	char data[PAGE_SIZE];
+	char *pos;
+	int i;
+	size_t count = 0;
+	int retval;

... that seems like a lot of stack to be using.

-- 
SUSE Labs, Novell Inc.
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