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 The code comment above sparse_add_one_section() is obsolete and 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@xxxxxxxxxx> > > --- > > 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. >