On Mon, 2 Jul 2012, Gavin Shan wrote:
> >> diff --git a/mm/sparse.c b/mm/sparse.c
> >> index 781fa04..a6984d9 100644
> >> --- a/mm/sparse.c
> >> +++ b/mm/sparse.c
> >> @@ -75,6 +75,20 @@ static struct mem_section noinline __init_refok *sparse_index_alloc(int nid)
> >> return section;
> >> }
> >>
> >> +static inline void __meminit sparse_index_free(struct mem_section *section)
> >> +{
> >> + unsigned long size = SECTIONS_PER_ROOT *
> >> + sizeof(struct mem_section);
> >> +
> >> + if (!section)
> >> + return;
> >> +
> >> + if (slab_is_available())
> >> + kfree(section);
> >> + else
> >> + free_bootmem(virt_to_phys(section), size);
> >
> >Eek, does that work?
> >
>
> David, I think it's working fine. If my understanding is wrong, please
> correct me. Thanks a lot :-)
>
I'm thinking it should be free_bootmem(__pa(section), size);
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