[PATCH v4 01/13] mm/memblock: add MEMBLOCK_NOMAP attribute to memblock memory table

[Alexander Kuleshov]

Hello Ard,

On Thu, Dec 3, 2015 at 4:55 PM, Ard Biesheuvel
<ard.biesheuvel at linaro.org> wrote:
> On 30 November 2015 at 13:28, Ard Biesheuvel <ard.biesheuvel at linaro.org> wrote:
>> This introduces the MEMBLOCK_NOMAP attribute and the required plumbing
>> to make it usable as an indicator that some parts of normal memory
>> should not be covered by the kernel direct mapping. It is up to the
>> arch to actually honor the attribute when laying out this mapping,
>> but the memblock code itself is modified to disregard these regions
>> for allocations and other general use.
>>....
> May I kindly ask team-mm/Andrew/Alexander to chime in here, and
> indicate whether you are ok with this patch going in for 4.5? If so,
> could you please provide your ack so the patch can be kept together
> with the rest of the series, which depends on it?
>
> I should note that this change should not affect any memblock users
> that never set the MEMBLOCK_NOMAP flag, but please, if you see any
> issues beyond 'this may conflict with other stuff we have queued for
> 4.5', please do let me know.

Just tested the kernel with this patch with qemu and real hardware and it
works, nothing does not brake for me.