On 4/26/22 12:43, liusongtang wrote: > pgprot.pgprot is a non-portable code, it should be replaced by > portable macro pgprot_val. > > Signed-off-by: liusongtang <liusongtang@xxxxxxxxxx> Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> > > --- > v2: add 'memory_hotplug' in the subject line > v1: https://lore.kernel.org/all/a5b58a66-bdc3-94df-6af5-c647da888c17@xxxxxxxxxx/ > --- > mm/memory_hotplug.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c > index 416b38c..bf7d181 100644 > --- a/mm/memory_hotplug.c > +++ b/mm/memory_hotplug.c > @@ -303,7 +303,7 @@ int __ref __add_pages(int nid, unsigned long pfn, unsigned long nr_pages, > int err; > struct vmem_altmap *altmap = params->altmap; > > - if (WARN_ON_ONCE(!params->pgprot.pgprot)) > + if (WARN_ON_ONCE(!pgprot_val(params->pgprot))) > return -EINVAL; > > VM_BUG_ON(!mhp_range_allowed(PFN_PHYS(pfn), nr_pages * PAGE_SIZE, false));