On Tue, 13 May 2014, Jianyu Zhan wrote:
> diff --git a/mm/internal.h b/mm/internal.h
> index 07b6736..53d439e 100644
> --- a/mm/internal.h
> +++ b/mm/internal.h
> @@ -196,7 +196,12 @@ static inline int mlocked_vma_newpage(struct vm_area_struct *vma,
> return 0;
>
> if (!TestSetPageMlocked(page)) {
> - mod_zone_page_state(page_zone(page), NR_MLOCK,
> + /*
> + * We use the irq-unsafe __mod_zone_page_stat because
> + * this counter is not modified from interrupt context, and the
> + * pte lock is held(spinlock), which implies preemtion disabled.
Preemption is mis-spelled throughout.
Otherwise
Reviewed-by: Christoph Lameter <cl@xxxxxxxxx>
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