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From: Christoph Lameter <clameter@sgi.com>
To: Jens Osterkamp <Jens.Osterkamp@gmx.de>
Cc: Pekka J Enberg <penberg@cs.helsinki.fi>, linux-mm@kvack.org
Subject: Re: [BUG] in 2.6.25-rc3 with 64k page size and SLUB_DEBUG_ON
Date: Fri, 7 Mar 2008 14:59:36 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0803071453170.9654@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <200803072330.46448.Jens.Osterkamp@gmx.de>

On Fri, 7 Mar 2008, Jens Osterkamp wrote:

> 0xc000000000056f08 is in copy_process (/home/auto/jens/kernels/linux-2.6.25-rc3/include/linux/slub_def.h:209).
> 204                             struct kmem_cache *s = kmalloc_slab(size);
> 205
> 206                             if (!s)
> 207                                     return ZERO_SIZE_PTR;
> 208
> 209                             return kmem_cache_alloc(s, flags);
> 210                     }
> 211             }
> 212             return __kmalloc(size, flags);
> 213     }
> 
> which is in the middle of kmalloc.

Its in the middle of inline code generated within the function that calls 
kmalloc. Its not in kmalloc per se.

Can you figure out what the value of size is here? I suspect we are doing 
a lookup here in kmalloc_caches with an invalid offset.

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  reply	other threads:[~2008-03-07 22:59 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-06 13:47 [BUG] in 2.6.25-rc3 with 64k page size and SLUB_DEBUG_ON Jens Osterkamp
2008-03-06 19:55 ` Christoph Lameter
2008-03-06 21:07   ` Jens Osterkamp
2008-03-06 21:50     ` Christoph Lameter
2008-03-06 21:52       ` Jens Osterkamp
2008-03-06 21:56         ` Christoph Lameter
2008-03-06 22:00           ` Pekka Enberg
2008-03-06 22:04             ` Pekka Enberg
2008-03-06 22:07             ` Jens Osterkamp
2008-03-06 22:20               ` Christoph Lameter
2008-03-06 22:24                 ` Pekka Enberg
2008-03-07 12:20                   ` Jens Osterkamp
2008-03-07 12:40                     ` Pekka J Enberg
2008-03-07 12:44                       ` Pekka J Enberg
2008-03-07 22:18                         ` Jens Osterkamp
2008-03-07 22:30                       ` Jens Osterkamp
2008-03-07 22:59                         ` Christoph Lameter [this message]
2008-03-12 15:19                           ` Jens Osterkamp
2008-03-12 23:34                             ` Christoph Lameter
2008-03-18 16:44                               ` Jens Osterkamp
2008-03-18 17:45                                 ` Christoph Lameter
2008-03-18 17:51                                   ` Pekka Enberg
2008-03-06 22:25                 ` Jens Osterkamp
2008-03-07 22:09                 ` Jens Osterkamp
2008-03-06 22:21           ` Jens Osterkamp
2008-03-06 21:27 ` Pekka Enberg
2008-03-06 21:45   ` Ingo Molnar

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