Re: [Xen-ia64-devel] PATCH: xencomm [2]

[Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>]

Hi, Tristan

>Le Vendredi 29 Septembre 2006 16:35, Akio Takebe a 馗rit :
>> Hi, Aron
>>
>> I think this issue do not relate xencomm and copy_from/to_user.
>> This issue is caused by page_alloc of net/blkbk module.
>>
>> order:8 is too big.
>> After forked and terminated some process,
>> alloc_page() of oder:8 almost fail.
>>
>> So builtin module don't have this issue because none of process is created
>> before initialization of these module.
>>
>> The solutions of this issue are:
>> 1. fix memory allocation of blkbk, netbk
>> 2. builtin blkbk, netbk
>> 3. allocate big memory to dom0
>Hi,
>
>thank you for explaining this bug.
>Does this bug occur on x86 ?
>
>Tristan.
I have not met the bug on x86,
but I think this issue occur on x86.

Best Regards,

Akio Takebe


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