Re: [linux-next-20130422] Bug in SLAB?

From: Glauber Costa
Date: Mon Apr 29 2013 - 11:53:50 EST

On 04/29/2013 07:46 PM, Christoph Lameter wrote:
> On Mon, 29 Apr 2013, Glauber Costa wrote:
>> On 04/29/2013 06:59 PM, Christoph Lameter wrote:
>>> The code in kmalloc_index() creates a BUG() and preferentially should
>>> create a compile time failure when a number that is too big is passed to it.
>>> What is MAX_ORDER on the architecture?
>> Returning NULL is fine, but kmalloc_index currently does not check for
>> MAX_ORDER at all.
> Could easily add that and BUG() on it?
We could, but now I am intrigued by the fact that the patch I sent does
not fix Tetsuo's problem. 8M should be well within MAX_ORDER
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