linux-kernel - [PATCH 25/94] radix tree test suite: Add __must_be

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Message-ID: <20210428153542.2814175-26-Liam.Howlett@Oracle.com>
Date:   Wed, 28 Apr 2021 15:35:57 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
CC:     Song Liu <songliubraving@...com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Laurent Dufour <ldufour@...ux.ibm.com>,
        David Rientjes <rientjes@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Rik van Riel <riel@...riel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Michel Lespinasse <walken.cr@...il.com>,
        Liam Howlett <liam.howlett@...cle.com>
Subject: [PATCH 25/94] radix tree test suite: Add __must_be_array() support

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.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 99979aeaa379..e44603a181da 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -31,4 +31,6 @@
 # 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