[PATCH] mm/nvdimm: Use correct #defines instead of opencoding

[Elliott, Robert (Servers)]

> -----Original Message-----
> From: Linux-nvdimm <linux-nvdimm-bounces at lists.01.org> On Behalf Of
> Aneesh Kumar K.V
> Sent: Tuesday, May 21, 2019 4:51 AM
> Subject: Re: [PATCH] mm/nvdimm: Use correct #defines instead of
> opencoding
> 
...
> @@ -36,6 +36,9 @@ struct nd_pfn_sb {
>  	__le32 end_trunc;
>  	/* minor-version-2 record the base alignment of the mapping */
>  	__le32 align;
> +	/* minor-version-3 record the page size and struct page size
> */
> +	__le32 page_size;
> +	__le32 page_struct_size;
>  	u8 padding[4000];
>  	__le64 checksum;
>  };

You might need to reduce the padding size to offset the extra added
fields.