On (02/19/16 10:39), Joonsoo Kim wrote:
[..]
> > not sure if it's worth mentioning in the comment, but the other
> > concern here is the performance impact of an extra function call,
> > I believe. otherwise, Joonsoo would just do:
>
> It's very natural thing so I'm not sure it is worth mentioning.
agree.
> > and in mm/debug_page_ref.c
> >
> > void __page_ref_set(struct page *page, int v)
> > {
> > if (trace_page_ref_set_enabled())
> > trace_page_ref_set(page, v);
> > }
> > EXPORT_SYMBOL(__page_ref_set);
> > EXPORT_TRACEPOINT_SYMBOL(page_ref_set);
>
> It is what I did in v1.
ah... indeed. well, "That was a year ago, how am I suppose to remember"
-ss
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