Re: [PATCH 3/9] mm/rmap: factor lock function out of rmap_walk_anon()

[Naoya Horiguchi]

On Thu, Nov 28, 2013 at 04:48:40PM +0900, Joonsoo Kim wrote:
> When we traverse anon_vma, we need to take a read-side anon_lock.
> But there is subtle difference in the situation so that we can't use
> same method to take a lock in each cases. Therefore, we need to make
> rmap_walk_anon() taking difference lock function.
> 
> This patch is the first step, factoring lock function for anon_lock out
> of rmap_walk_anon(). It will be used in case of removing migration entry
> and in default of rmap_walk_anon().
> 
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>

Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
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