[PATCH] roundup_pow_of_two() 64-bit fix

[deliverable/linux.git] / include / linux / bitops.h

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 208650b1ad3ac08a340d93e87729890d807a3bdb..f17525a963d1954821386355da95077660fa43cf 100644 (file)
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -175,4 +175,11 @@ static inline __u32 ror32(__u32 word, unsigned int shift)
        return (word >> shift) | (word << (32 - shift));
 }
 
+static inline unsigned fls_long(unsigned long l)
+{
+       if (sizeof(l) == 4)
+               return fls(l);
+       return fls64(l);
+}
+
 #endif