Return value mechanism of do_migrate_range() is not very simple, while no caller of the function checks the return value. Make the function return nothing to be more simple. Suggested-by: David Hildenbrand <david@xxxxxxxxxx> Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> --- mm/memory_hotplug.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index bcb0dc41c2f2..6c615ba1a5c7 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1620,8 +1620,7 @@ static int scan_movable_pages(unsigned long start, unsigned long end, return 0; } -static int -do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) +static void do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) { unsigned long pfn; struct page *page, *head; @@ -1721,8 +1720,6 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) putback_movable_pages(&source); } } - - return ret; } static int __init cmdline_parse_movable_node(char *p) -- 2.25.1