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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2013-10-11 16:54:59 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-10-17 00:36:07 +0200
commitbfd1ff6375c82930bfb3b401eee2c96720fa8e84 (patch)
treee5016ca784cdefd6fbd68431eb9d23838157965e
parent1a6b991a9875a4c4811c7baf4058fa17aa1a9d9b (diff)
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bitops: Introduce BIT_ULL
Adding BIT(x) equivalent for unsigned long long type, BIT_ULL(x). Also added BIT_ULL_MASK and BIT_ULL_WORD. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--include/linux/bitops.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index a3b6b82108b9..5a1c8b71ccd8 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -4,8 +4,11 @@
#ifdef __KERNEL__
#define BIT(nr) (1UL << (nr))
+#define BIT_ULL(nr) (1ULL << (nr))
#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
+#define BIT_ULL_MASK(nr) (1ULL << ((nr) % BITS_PER_LONG_LONG))
+#define BIT_ULL_WORD(nr) ((nr) / BITS_PER_LONG_LONG)
#define BITS_PER_BYTE 8
#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
#endif