Re: [PATCH] memcg: do not expose uninitialized mem_cgroup_per_node to world

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>pc = list_entry(list->prev, struct page_cgroup, lru);

Hmm, I disagree your patch is a fix for mainline. At least, a cgroup
before completion of
create() is not populated to userland and you never be able to rmdir()
it because you can't
find it.


 >26:   e8 7d 12 30 00          call   0x3012a8
 >2b:*  8b 73 08                mov    0x8(%ebx),%esi     <-- trapping
instruction
 >2e:   8b 7c 24 24             mov    0x24(%esp),%edi
 >32:   8b 07                   mov    (%edi),%eax

Hm, what is the call 0x3012a8 ?

Thanks,
-Kame
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