1 files changed, 8 insertions, 4 deletions

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index c05a29cb9bb2..fc68053378ce 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -10,22 +10,26 @@
 #define BITS_TO_LONGS(nr)       DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
 #endif
 
+extern unsigned int __sw_hweight8(unsigned int w);
+extern unsigned int __sw_hweight16(unsigned int w);
+extern unsigned int __sw_hweight32(unsigned int w);
+extern unsigned long __sw_hweight64(__u64 w);
+
 /*
  * Include this here because some architectures need generic_ffs/fls in
  * scope
  */
 #include <asm/bitops.h>
 
-#define for_each_bit(bit, addr, size) \
+#define for_each_set_bit(bit, addr, size) \
         for ((bit) = find_first_bit((addr), (size)); \
              (bit) < (size); \
              (bit) = find_next_bit((addr), (size), (bit) + 1))
 
-
 static __inline__ int get_bitmask_order(unsigned int count)
 {
         int order;
-        
+
         order = fls(count);
         return order;   /* We could be slightly more clever with -1 here... */
 }
@@ -33,7 +37,7 @@ static __inline__ int get_bitmask_order(unsigned int count)
 static __inline__ int get_count_order(unsigned int count)
 {
         int order;
-        
+
         order = fls(count) - 1;
         if (count & (count - 1))
                 order++;