On 07/11/2017 12:52 PM, Michal Hocko wrote:
> On Tue 11-07-17 09:16:12, Michal Hocko wrote:
>> On Tue 11-07-17 08:56:04, Vlastimil Babka wrote:
> [...]
>>> It doesn't explain why it's redundant, indeed. Unfortunately, the commit
>>> f106af4e90ea ("fix checks for expand-in-place mremap") which added this,
>>> also doesn't explain why it's needed.
>>
>> Because it doesn't do anything AFAICS.
>
> Well, it does actually. I have missed security_mmap_addr hook.
But we any way call get_unmapped_area() down the line in the function,
it should be covered then. Does the proposed change look good and be
considered, or any changes required or can be dropped ?
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