Re: [patch] mm, hugetlb: close race when setting PageTail for gigantic pages

[Davidlohr Bueso]

On Tue, 2015-02-24 at 16:16 -0800, David Rientjes wrote:
> Now that gigantic pages are dynamically allocatable, care must be taken
> to ensure that p->first_page is valid before setting PageTail.
> 
> If this isn't done, then it is possible to race and have compound_head()
> return NULL.
> 
> Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>

Acked-by: Davidlohr Bueso <dave@xxxxxxxxxxxx>


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