Re: [BUG]memblock: fix overflow of array index

[Yinghai Lu]

On Wed, Apr 25, 2012 at 5:50 PM, Peter Teoh <htmldeveloper@xxxxxxxxx> wrote:
> Thanks for the reply.   Just an educational question:  is it possible
> to set one-byte per memblock?    And what is the minimum memblock
> size?

yes. 1 byte.

>
> Even if 2G memblock is a huge number, it still seemed like a bug to me
> that there is no check on the maximum number (which is 2G) of this
> variable (assuming signed int).   Software can always purposely push
> that number up and the system can panic?

before slab is ready? how?

Thanks

Yinghai
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