Re: [PATCH 2/3] percpu: acquire pcpu_lock when updating pcpu_nr_empty_pop_pages

[Tejun Heo]

On Sat, Feb 25, 2017 at 01:00:19PM -0800, Tahsin Erdogan wrote:
> Update to pcpu_nr_empty_pop_pages in pcpu_alloc() is currently done
> without holding pcpu_lock. This can lead to bad updates to the variable.
> Add missing lock calls.
> 
> Fixes: b539b87fed37 ("percpu: implmeent pcpu_nr_empty_pop_pages and chunk->nr_populated")
> Signed-off-by: Tahsin Erdogan <tahsin@xxxxxxxxxx>

Applied to percpu/for-4.11-fixes w/ stable cc'd.

Thanks.

-- 
tejun