Commit 6366238b authored by liusongtang's avatar liusongtang Committed by Andrew Morton
Browse files

mm/memory_hotplug: use pgprot_val to get value of pgprot 

pgprot.pgprot is non-portable code.  It should be replaced by portable
macro pgprot_val.

Link: https://lkml.kernel.org/r/20220426071302.220646-1-liusongtang@huawei.com


Signed-off-by: default avatarliusongtang <liusongtang@huawei.com>
Reviewed-by: default avatarAnshuman Khandual <anshuman.khandual@arm.com>
Cc: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 91541808

mm/memory_hotplug.c

+1 −1
Original line number Diff line number Diff line
@@ -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));