change kmalloc into vmalloc for large memory allocations

['gregkh@linuxfoundation.org']

On Mon, Mar 03, 2014 at 04:00:59PM +0800, Wang, Yalin wrote:
> Hi  greg,

Please read Documentation/SubmittingPatches for how to properly submit
kernel patches in a form that they could be accepted.

thanks,

greg k-h