Re: [PATCH 2/2] mm/damon/paddr: fix folio_nr_pages() after folio_put() in damon_pa_mark_accessed_or_deactivate()

[Matthew Wilcox]

On Sat, Mar 04, 2023 at 07:39:49PM +0000, SeongJae Park wrote:
> damon_pa_mark_accessed_or_deactivate() is accessing a folio via
> folio_nr_pages() after folio_put() for the folio has invoked.  Fix it.
> 
> Fixes: f70da5ee8fe1 ("mm/damon: convert damon_pa_mark_accessed_or_deactivate() to use folios")
> Cc: <stable@xxxxxxxxxxxxxxx> # 6.3.x
> Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>

Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>