On 02/22/18 at 01:24pm, Andrew Morton wrote: > On Thu, 22 Feb 2018 17:11:28 +0800 Baoquan He <b...@redhat.com> wrote: > > > It's used to record how many memory sections are marked as present > > during system boot up, and will be used in the later patch. > > > > --- a/mm/sparse.c > > +++ b/mm/sparse.c > > @@ -202,6 +202,7 @@ static inline int next_present_section_nr(int > > section_nr) > > (section_nr <= __highest_present_section_nr)); \ > > section_nr = next_present_section_nr(section_nr)) > > > > +static int nr_present_sections; > > I think this could be __initdata. > > A nice comment explaining why it exists would be nice.
Thanks, I will update as you suggested. >