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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