Re: [PATCH] Replace zone padding with a definition in cache.h
From: Andrew Morton (akpm_at_osdl.org)
Date: 03/16/05
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Date: Tue, 15 Mar 2005 20:23:31 -0800 To: Christoph Lameter <christoph@lameter.com>
Christoph Lameter <christoph@lameter.com> wrote:
>
> +#ifndef ____cacheline_pad_in_smp
> +#if defined(CONFIG_SMP)
> +#define ____cacheline_pad_in_smp struct { char x; } ____cacheline_maxaligned_in_smp
> +#else
> +#define ____cacheline_pad_in_smp
> +#endif
> +#endif
That's going to spit a warning with older gcc's. "warning: unnamed
struct/union that defines no instances".
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