On 11/16/2018 02:00 PM, Michal Hocko wrote: > From: Michal Hocko <mhocko@xxxxxxxx> > > This function is never called from a context which would provide > misaligned pfn range so drop the pointless check. > > Signed-off-by: Michal Hocko <mhocko@xxxxxxxx> > --- > mm/memory_hotplug.c | 6 ------ > 1 file changed, 6 deletions(-) > > diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c > index 2b2b3ccbbfb5..a92b1b8f6218 100644 > --- a/mm/memory_hotplug.c > +++ b/mm/memory_hotplug.c > @@ -1554,12 +1554,6 @@ static int __ref __offline_pages(unsigned long start_pfn, > struct zone *zone; > struct memory_notify arg; > > - /* at least, alignment against pageblock is necessary */ > - if (!IS_ALIGNED(start_pfn, pageblock_nr_pages)) > - return -EINVAL; > - if (!IS_ALIGNED(end_pfn, pageblock_nr_pages)) > - return -EINVAL; > - > mem_hotplug_begin(); > > /* This makes hotplug much easier...and readable. > Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
