| Date | Wed, 22 Apr 2020 15:34:11 +0900 | From | Joonsoo Kim <> | Subject | Re: [PATCH 01/18] mm: fix NUMA node file count error in replace_page_cache() |
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On Mon, Apr 20, 2020 at 06:11:09PM -0400, Johannes Weiner wrote: > When replacing one page with another one in the cache, we have to > decrease the file count of the old page's NUMA node and increase the > one of the new NUMA node, otherwise the old node leaks the count and > the new node eventually underflows its counter. > > Fixes: 74d609585d8b ("page cache: Add and replace pages using the XArray") > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Thanks.
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