[PATCH v2] PC, KVM, CMA: Fix regression caused by wrong get_order() use

[Alexander Graf]

On 14.08.14 07:13, Aneesh Kumar K.V wrote:
> Alexey Kardashevskiy <aik at ozlabs.ru> writes:
>
>> fc95ca7284bc54953165cba76c3228bd2cdb9591 claims that there is no
>> functional change but this is not true as it calls get_order() (which
>> takes bytes) where it should have called ilog2() and the kernel stops
>> on VM_BUG_ON().
>>
>> This replaces get_order() with order_base_2() (round-up version of ilog2).
>>
>> Suggested-by: Paul Mackerras <paulus at samba.org>
>> Cc: Alexander Graf <agraf at suse.de>
>> Cc: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
>> Cc: Joonsoo Kim <iamjoonsoo.kim at lge.com>
>> Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
>> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>

So this affects 3.17?


Alex