Avoid divides in BITS_TO_LONGS

[linux-2.6-omap-h63xx.git] / include / linux / bitops.h

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 48bde600a2dbcf652715d0c97b4da756ceffad3d..8340a3aba49adbaf9eadf234dbc3fc19d844685b 100644 (file)
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -6,8 +6,8 @@
 #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_LONGS(nr)      DIV_ROUND_UP(nr, BITS_PER_LONG)
 #define BITS_PER_BYTE          8
+#define BITS_TO_LONGS(nr)      DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
 #endif
 
 /*