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-rw-r--r--include/linux/bitmap.h1
-rw-r--r--include/linux/bitops.h3
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 64b4641904f..acad1105d94 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -6,6 +6,7 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/string.h>
+#include <linux/kernel.h>
/*
* bitmaps provide bit arrays that consume one or more unsigned
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 7fc90d7cd0c..69c1edb9fe5 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -6,8 +6,7 @@
#define BIT(nr) (1UL << (nr))
#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
-#define BITS_TO_TYPE(nr, t) (((nr)+(t)-1)/(t))
-#define BITS_TO_LONGS(nr) BITS_TO_TYPE(nr, BITS_PER_LONG)
+#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_LONG)
#define BITS_PER_BYTE 8
#endif