From: Liam Howlett <liam.howlett@oracle.com>
To: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Matthew Wilcox <willy@infradead.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Subject: [PATCH 2/4] radix tree test suite: Add __must_be_array() support
Date: Wed, 12 May 2021 18:48:52 +0000 [thread overview]
Message-ID: <20210512184850.3526677-2-Liam.Howlett@Oracle.com> (raw)
In-Reply-To: <20210512184850.3526677-1-Liam.Howlett@Oracle.com>
Copy __must_be_array() define from include/linux/compiler.h for use in
the radix tree test suite userspace compiles.
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
tools/testing/radix-tree/linux/kernel.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index c400a27e544a..2c3771fff2c0 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -30,4 +30,6 @@
# define fallthrough do {} while (0) /* fallthrough */
#endif /* __has_attribute */
+#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
+
#endif /* _KERNEL_H */
--
2.30.2
next prev parent reply other threads:[~2021-05-12 20:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-12 18:48 [PATCH 1/4] radix tree test suite: Add support for fallthrough attribute Liam Howlett
2021-05-12 18:48 ` Liam Howlett [this message]
2021-05-12 21:46 ` [PATCH 2/4] radix tree test suite: Add __must_be_array() support Matthew Wilcox
2021-05-12 22:13 ` Liam Howlett
2021-05-12 18:48 ` [PATCH 3/4] radix tree test suite: Add kmem_cache enhancements and pr_err Liam Howlett
2021-05-12 18:48 ` [PATCH 4/4] radix tree test suite: Add support for slab bulk APIs Liam Howlett
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