Re: [PATCH 1/3] mm/sparse: Clean up the obsolete code comment

Baoquan He
2019-03-20T08:00:16Z

On 03/20/19 at 09:50am, Mike Rapoport wrote:
> Hi,
>
> On Wed, Mar 20, 2019 at 03:35:38PM +0800, Baoquan He wrote:
> > The code comment above sparse_add_one_section() is obsolete and
> > incorrect, clean it up and write new one.
> >
> > Signed-off-by: Baoquan He <bhe@redhat.com>
> > ---
> > mm/sparse.c | 9 ++++++---
> > 1 file changed, 6 insertions(+), 3 deletions(-)
> >
> > diff --git a/mm/sparse.c b/mm/sparse.c
> > index 77a0554fa5bd..0a0f82c5d969 100644
> > --- a/mm/sparse.c
> > +++ b/mm/sparse.c
> > @@ -674,9 +674,12 @@ static void free_map_bootmem(struct page *memmap)
> > #endif /* CONFIG_SPARSEMEM_VMEMMAP */
> >
> > /*
> > - * returns the number of sections whose mem_maps were properly
> > - * set. If this is <=0, then that means that the passed-in
> > - * map was not consumed and must be freed.
> > + * sparse_add_one_section - add a memory section
>
> Please mention that this is only intended for memory hotplug

Will do. Thanks for reviewing.

>
> > + * @nid: The node to add section on
> > + * @start_pfn: start pfn of the memory range
> > + * @altmap: device page map
> > + *
> > + * Return 0 on success and an appropriate error code otherwise.
>
> s/Return/Return:/ please

Thanks, will change.

>
> > */
> > int __meminit sparse_add_one_section(int nid, unsigned long start_pfn,
> > struct vmem_altmap *altmap)
> > --
> > 2.17.2
> >
>
> --
> Sincerely yours,
> Mike.
>