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SubjectRe: [PATCH 1/3] mm/sparse: Clean up the obsolete code comment
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 The code comment above sparse_add_one_section() is obsolete and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

> + * @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

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

--
Sincerely yours,
Mike.

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