linux-kernel - Re: [PATCH 2/2] dentry: move to per-sb LRU locks

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Date:	Mon, 08 Aug 2011 15:02:24 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	viro@...IV.linux.org.uk, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 2/2] dentry: move to per-sb LRU locks

On Mon, 2011-08-08 at 17:03 +1000, Dave Chinner wrote:
> +       /* s_dentry_lru_lock protects s_dentry_lru, s_nr_dentry_unused */
> +       spinlock_t              s_dentry_lru_lock ____cacheline_aligned_in_smp;
>         struct list_head        s_dentry_lru;   /* unused dentry lru */ 

Wouldn't it make sense to have both those on the same cacheline?
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