Needed for the new align.h.
Signed-off-by: Mathieu Desnoyers <[email protected]>
CC: Alexander Shishkin <[email protected]>
CC: Russell King - ARM Linux <[email protected]>
CC: [email protected]
CC: Imre Deak <[email protected]>
CC: Jamie Lokier <[email protected]>
CC: [email protected]
CC: [email protected]
CC: Alexey Dobriyan <[email protected]>
CC: "Kirill A. Shutemov" <[email protected]>
---
include/linux/kernel.h | 4 ++++
1 file changed, 4 insertions(+)
Index: linux.trees.git/include/linux/kernel.h
===================================================================
--- linux.trees.git.orig/include/linux/kernel.h 2010-08-17 22:10:32.000000000
-0400
+++ linux.trees.git/include/linux/kernel.h 2010-08-17 22:12:11.000000000
-0400
@@ -760,6 +760,10 @@ struct sysinfo {
#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
+/* Force a compilation error if condition is constant and not a power of 2 */
+#define MAYBE_BUILD_BUG_ON_NOT_POWER_OF_2(n) \
+ MAYBE_BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
+
/* Force a compilation error if condition is true, but also produce a
result (of value 0 and type size_t), so the expression can be used
e.g. in a structure initializer (or where-ever else comma expressions
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