Re: [PATCH 3/4] mm, rmap: minimize lock hold when unlink_anon_vmas

From: Johannes Weiner
Date: Wed Aug 07 2013 - 02:11:48 EST

On Tue, Aug 06, 2013 at 05:43:39PM +0900, Joonsoo Kim wrote:
> Currently, we free the avc objects with holding a lock. To minimize
> lock hold time, we just move the avc objects to another list
> with holding a lock. Then, iterate them and free objects without holding
> a lock. This makes lock hold time minimized.
> Signed-off-by: Joonsoo Kim <>

I expect kfree() to be fast enough that we don't think we need to
bother batching this outside the lock.
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