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Subject[PATCH 05/12] mm: Fix READ_ONLY_THP warning
Date
These counters only exist if CONFIG_READ_ONLY_THP_FOR_FS is defined,
but we do not need to warn if the filesystem natively supports large
folios.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
include/linux/pagemap.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 270bf5136c34..877dabed0316 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -212,7 +212,7 @@ static inline void filemap_nr_thps_inc(struct address_space *mapping)
if (!mapping_large_folio_support(mapping))
atomic_inc(&mapping->nr_thps);
#else
- WARN_ON_ONCE(1);
+ WARN_ON_ONCE(mapping_large_folio_support(mapping) == 0);
#endif
}

@@ -222,7 +222,7 @@ static inline void filemap_nr_thps_dec(struct address_space *mapping)
if (!mapping_large_folio_support(mapping))
atomic_dec(&mapping->nr_thps);
#else
- WARN_ON_ONCE(1);
+ WARN_ON_ONCE(mapping_large_folio_support(mapping) == 0);
#endif
}

--
2.34.1
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