Otherwise gcc generates warnings if the expression is complicated.
Fixes: 312a0c170945 ("[PATCH] LOG2: Alter roundup_pow_of_two() so that it can
use a ilog2() on a constant")
Signed-off-by: Jason Gunthorpe <j...@nvidia.com>
---
include/linux/log2.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Hi Andrew, I think this is appropriate for your tree? Thanks
diff --git a/include/linux/log2.h b/include/linux/log2.h
index 83a4a3ca3e8a76..c619ec6eff4aee 100644
--- a/include/linux/log2.h
+++ b/include/linux/log2.h
@@ -173,7 +173,7 @@ unsigned long __rounddown_pow_of_two(unsigned long n)
#define roundup_pow_of_two(n) \
( \
__builtin_constant_p(n) ? ( \
- (n == 1) ? 1 : \
+ ((n) == 1) ? 1 : \
(1UL << (ilog2((n) - 1) + 1)) \
) : \
__roundup_pow_of_two(n) \
--
2.28.0
