Messages in this thread Patch in this message | | | From | SeongJae Park <> | Subject | [PATCH 2/2] mm/damon/paddr: fix folio_nr_pages() after folio_put() in damon_pa_mark_accessed_or_deactivate() | Date | Sat, 4 Mar 2023 19:39:49 +0000 |
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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@vger.kernel.org> # 6.3.x Signed-off-by: SeongJae Park <sj@kernel.org> --- mm/damon/paddr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 10f159b315ea..0db724aec5cb 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -277,8 +277,8 @@ static inline unsigned long damon_pa_mark_accessed_or_deactivate( folio_mark_accessed(folio); else folio_deactivate(folio); - folio_put(folio); applied += folio_nr_pages(folio); + folio_put(folio); } return applied * PAGE_SIZE; } -- 2.25.1
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