Re: [PATCH 2/3] ns: pad refcount

[Oleg Nesterov]

On 11/23, Mateusz Guzik wrote:
>
>  struct ns_common {
> +	struct {
> +		refcount_t __ns_ref; /* do not use directly */
> +	} ____cacheline_aligned_in_smp;

Cough... stupid question. Why not just

	refcount_t __ns_ref ____cacheline_aligned_in_smp;

? why do we need the anonymous struct?

Oleg.