linux-kernel - Re: [PATCH 13/14] vfs: increase shrinker batch size

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Message-ID: <20110711100517.GC19354@infradead.org>
Date:	Mon, 11 Jul 2011 06:05:17 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	viro@...IV.linux.org.uk, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 13/14] vfs: increase shrinker batch size

On Fri, Jul 08, 2011 at 02:14:45PM +1000, Dave Chinner wrote:
> To allow for a large increase in batch size, add a conditional
> reschedule to prune_icache_sb() so that we don't hold the LRU spin
> lock for too long. This mirrors the behaviour of the
> __shrink_dcache_sb(), and allows us to increase the batch size
> without needing to worry about problems caused by long lock hold
> times.

That doesn't reflect what the patch actually does.

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