The code comment above sparse_add_one_section() is obsolete and incorrect, clean it up and write new one.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 + * @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. */ int __meminit sparse_add_one_section(int nid, unsigned long start_pfn, struct vmem_altmap *altmap) -- 2.17.2
