Re: [PATCH v3 4/5] mm/page_alloc: Move initialization of node and zones to an own function
From: Pavel Tatashin
Date: Thu Jul 26 2018 - 11:36:17 EST
> OK, this looks definitely better. I will have to check that all the
> required state is initialized properly. Considering the above
> explanation I would simply fold the follow up patch into this one. It is
> not so large it would get hard to review and you would make it clear why
> the work is done.
I will review this work, once Oscar combines patches 4 & 5 as Michal suggested.
> > +/*
> > + * Set up the zone data structures:
> > + * - mark all pages reserved
> > + * - mark all memory queues empty
> > + * - clear the memory bitmaps
> > + *
> > + * NOTE: pgdat should get zeroed by caller.
> > + * NOTE: this function is only called during early init.
> > + */
> > +static void __paginginit free_area_init_core(struct pglist_data *pgdat)
> now that this function is called only from the early init code we can
> make it s@__paginginit@__init@ AFAICS.
True, in patch 5. Also, zone_init_internals() should be marked as __paginginit.