Messages in this thread | | | Date | Mon, 12 May 2014 11:57:15 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 1/3] mm: add comment for __mod_zone_page_stat |
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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@linux.com>
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