On Wed, 14 Mar 2012 04:35:30 -0700, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, 14 Mar 2012 16:40:58 +0530 "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> wrote:
>
> > >
> > > > +int mem_cgroup_hugetlb_file_init(struct hstate *h, int idx);
> > >
> > >
> > > No, please put it in a header file. Always. Where both callers and
> > > the implementation see the same propotype.
> > >
> > > > +#else
> > > > +static int mem_cgroup_hugetlb_file_init(struct hstate *h, int idx)
> > > > +{
> > > > + return 0;
> > > > +}
> > > > +#endif
> > >
> > > So this will go into the same header file.
> > >
> >
> > I was not sure whether i want to put mem_cgroup_hugetlb_file_init in
> > linux/memcontrol.h .
>
> The above is a declaration, not the definition (implementation).
>
> > Ideally i want to have that in mm/hugetlb.c and in
> > linux/hugetlb.h. That would require me to make mem_cgroup_read and
> > others non static and move few #defines to memcontrol.h. That would
> > involve larger code movement which i didn't want to do. ? What do you
> > suggest ? Just move mem_cgroup_hugetlb_file_init to memcontrol.h ?
>
> In memcontrol.h:
>
> #ifdef CONFIG_FOO
> extern int mem_cgroup_hugetlb_file_init(struct hstate *h, int idx);
> #else
> static inline int mem_cgroup_hugetlb_file_init(struct hstate *h, int idx)
> {
> return 0;
> }
> #endif
>
Will do that in the next iteration.
-aneesh
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