linux-kernel - [PATCH] mm/hugetlb: ensure signedness of large numbers

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Date:   Sat, 28 Dec 2019 13:33:56 +0300
From:   isidentical <batuhanosmantaskaya@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     isidentical <batuhanosmantaskaya@...il.com>,
        Arnd Bergmann <arnd@...db.de>, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mm/hugetlb: ensure signedness of large numbers

This change introduces a sanitity helper for
numbers that are larger than 2^5.

Signed-off-by: isidentical <batuhanosmantaskaya@...il.com>
---
 include/uapi/asm-generic/hugetlb_encode.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/asm-generic/hugetlb_encode.h b/include/uapi/asm-generic/hugetlb_encode.h
index b0f8e87235bd..42c06c62ae17 100644
--- a/include/uapi/asm-generic/hugetlb_encode.h
+++ b/include/uapi/asm-generic/hugetlb_encode.h
@@ -31,6 +31,6 @@
 #define HUGETLB_FLAG_ENCODE_512MB	(29 << HUGETLB_FLAG_ENCODE_SHIFT)
 #define HUGETLB_FLAG_ENCODE_1GB		(30 << HUGETLB_FLAG_ENCODE_SHIFT)
 #define HUGETLB_FLAG_ENCODE_2GB		(31 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_16GB	(34 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_16GB	(UINT32_C(34) << HUGETLB_FLAG_ENCODE_SHIFT)
 
 #endif /* _ASM_GENERIC_HUGETLB_ENCODE_H_ */
-- 
2.20.1