Dear mm maintainers,
This patch fixes wrong stats calulation in __folio_remove_rmap().
diff --git a/mm/rmap.c b/mm/rmap.c
index 52357d79917c..f9aeabd691fa 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1567,7 +1567,7 @@ static __always_inline void __folio_remove_rmap(struct folio *folio,
list_empty(&folio->_deferred_list))
deferred_split_folio(folio);
}
- __folio_mod_stat(folio, nr, nr_pmdmapped);
+ __folio_mod_stat(folio, -nr, -nr_pmdmapped);
/*
* It would be tidy to reset folio_test_anon mapping when fully
BRs,
Stephen
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Attachment:
0001-mm-rmap-Correct-stats-calulation-in-__folio_remove_r.patch
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