On Wed 16-02-11 12:09:35, Linus Torvalds wrote:

On Wed, Feb 16, 2011 at 11:50 AM, Linus Torvalds
[off-list ref] wrote:

quoted

Yup, goodie. It does look like it might be exactly the same thing,
except now the offset seems to be 0x1e68 instead of 0x1768.

It was 0x1748 in Eric's case. Background for Michal:

  http://lkml.org/lkml/2011/2/14/223

I have seen that thread but I didn't think it is related. I thought
this is an another anon_vma issue. But you seem to be right that the
offset pattern can be related.

Michal - if you can re-create this, it would be wonderful if you can
enable CONFIG_DEBUG_PAGEALLOC. I didn't find any obvious candidates
yet.

OK. I have just booted with the same kernel and the config turned on.
Let's see if I am able to reproduce.

Btw.
$ objdump -d ./vmlinux-2.6.38-rc4-00001-g07409af-vmscan-test | grep 0x1e68

didn't print out anything. Do you have any other way to find out the
structure?
-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic

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