hweight32()

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 2fe736e9..62a3f404 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -137,6 +137,11 @@ static inline unsigned long hweight64(u64 w)
 	       __builtin_popcount(w >> 32);
 }
 
+static inline unsigned long hweight32(u32 w)
+{
+	return __builtin_popcount(w);
+}
+
 static inline unsigned long hweight8(unsigned long w)
 {
 	return __builtin_popcountl(w);