Re: [PATCH 8/9] mm/rmap: use rmap_walk() in page_referenced()

From: Naoya Horiguchi
Date: Mon Dec 02 2013 - 15:10:54 EST


On Thu, Nov 28, 2013 at 04:48:45PM +0900, Joonsoo Kim wrote:
> Now, we have an infrastructure in rmap_walk() to handle difference
> from variants of rmap traversing functions.
>
> So, just use it in page_referenced().
>
> In this patch, I change following things.
>
> 1. remove some variants of rmap traversing functions.
> cf> page_referenced_ksm, page_referenced_anon,
> page_referenced_file
> 2. introduce new struct page_referenced_arg and pass it to
> page_referenced_one(), main function of rmap_walk, in order to
> count reference, to store vm_flags and to check finish condition.
> 3. mechanical change to use rmap_walk() in page_referenced().
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>

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