Re: [PATCH] block: null_blk: fix 'Invalid parameters' failure when loading module

[Bart Van Assche <Bart.VanAssche@xxxxxxx>]

On Sat, 2018-03-03 at 10:24 +0800, Ming Lei wrote:
>  struct nullb_page {
>  	struct page *page;
> -	unsigned long bitmap;
> +	unsigned long bitmap[DIV_ROUND_UP(MAP_SZ, sizeof(unsigned long) * 8)];
>  };

Could DECLARE_BITMAP() have been used here?

Thanks,

Bart.