Re: [Patch v2 3/4] mm/page_alloc.c: pass all bad reasons to bad_page()

From: Wei Yang
Date: Mon Jan 20 2020 - 20:49:43 EST


On Mon, Jan 20, 2020 at 01:19:10PM +0100, David Hildenbrand wrote:
>On 20.01.20 11:22, Michal Hocko wrote:
>> On Mon 20-01-20 11:04:14, Wei Yang wrote:
>>> Now we can pass all bad reasons to __dump_page().
>>
>> And we do we want to do that? The dump of the page will tell us the
>> whole story so a single and the most important reason sounds like a
>> better implementation. The code is also more subtle because each caller
>> of the function has to be aware of how many reasons there might be.
>> Not to mention that you need a room for 5 pointers on the stack and this
>> and page allocator might be called from deeper call chains.
>>
>
>+1, I don't think we want/need this
>

Well, I am fine with both.

Sounds we have 2 vs 2 voting :-)

>
>--
>Thanks,
>
>David / dhildenb

--
Wei Yang
Help you, Help me