Re: [PATCH 20/32] aio: Give shared kioctx fields their owncachelines

[Andrew Morton]

On Wed, 26 Dec 2012 17:59:59 -0800
Kent Overstreet <koverstreet@xxxxxxxxxx> wrote:

>  	struct {
> -		struct mutex	ring_lock;
> +		atomic_t	reqs_active;
>  	} ____cacheline_aligned;

Is there a reason why this guy remains aligned on CONFIG_SMP=n?

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