am bf6982ce: am 7c646cd3: am af4ececc: am 515bed0e: Merge "run-as:  set the SELinux security context."

* commit 'bf6982cec4b258f3e87d70d1767d69ab30e72ad2':
  run-as:  set the SELinux security context.
diff --git a/include/cutils/bitops.h b/include/cutils/bitops.h
index eb44236..c26dc54 100644
--- a/include/cutils/bitops.h
+++ b/include/cutils/bitops.h
@@ -75,6 +75,16 @@
     return -1;
 }
 
+static inline int bitmask_weight(unsigned int *bitmask, int num_bits)
+{
+    int i;
+    int weight = 0;
+
+    for (i = 0; i < BITS_TO_WORDS(num_bits); i++)
+        weight += __builtin_popcount(bitmask[i]);
+    return weight;
+}
+
 static inline void bitmask_set(unsigned int *bitmask, int bit)
 {
     bitmask[BIT_WORD(bit)] |= BIT_MASK(bit);