[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20210712030701.4000097-133-willy@infradead.org>
Date: Mon, 12 Jul 2021 04:06:56 +0100
From: "Matthew Wilcox (Oracle)" <willy@...radead.org>
To: linux-kernel@...r.kernel.org
Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org>,
linux-mm@...ck.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH v13 132/137] mm: Fix READ_ONLY_THP warning
These counters only exist if CONFIG_READ_ONLY_THP_FOR_FS is defined,
but we should not warn if the filesystem natively supports THPs.
Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.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 26a001ea7869..71844b55d0a8 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -146,7 +146,7 @@ static inline void filemap_nr_thps_inc(struct address_space *mapping)
if (!mapping_thp_support(mapping))
atomic_inc(&mapping->nr_thps);
#else
- WARN_ON_ONCE(1);
+ WARN_ON_ONCE(!mapping_thp_support(mapping));
#endif
}
@@ -156,7 +156,7 @@ static inline void filemap_nr_thps_dec(struct address_space *mapping)
if (!mapping_thp_support(mapping))
atomic_dec(&mapping->nr_thps);
#else
- WARN_ON_ONCE(1);
+ WARN_ON_ONCE(!mapping_thp_support(mapping));
#endif
}
--
2.30.2
Powered by blists - more mailing lists