Re: [PATCH] mm/slub.c: add parameter length checking for alloc_loc_track()

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On Fri, Jul 19, 2013 at 01:57:28PM +0000, Christoph Lameter wrote:
>On Fri, 19 Jul 2013, Chen Gang F T wrote:
>
>> Yes, "'max' can roughly mean the same thing", but they are still a
>> little different.
>>
>> 'max' also means: "the caller tells callee: I have told you the
>> maximize buffer length, so I need not check the buffer length to be
>> sure of no memory overflow, you need be sure of it".
>>
>> 'size' means: "the caller tells callee: you should use the size which I
>> give you, I am sure it is OK, do not care about whether it can cause
>> memory overflow or not".
>
>Ok that makes sense.
>
>> The diff may like this:
>
>I am fine with such a patch.
>
>Ultimately I would like the tracking and debugging technology to be
>abstracted from the slub allocator and made generally useful by putting it
>into mm/slab_common.c. SLAB has similar things but does not have all the
>features.
	
Coincidence, I am doing this work recently and will post patches soon.
;-)

Regards,
Wanpeng Li 

>
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