Re: [PATCH 1/3] mm: add comment for __mod_zone_page_stat

[Christoph Lameter]

On Mon, 12 May 2014, Jianyu Zhan wrote:

> This means they guarantee that even they are preemted the vm
> counter won't be modified incorrectly.  Because the counter is page-related
> (e.g., a new anon page added), and they are exclusively hold the pte lock.

Ok. if these locations hold the pte lock then preemption is disabled and
you are ok to use __mod_zone_page_state. Has nothing to do with the page.
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