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authorDavid S. Miller <davem@davemloft.net>2010-05-18 23:01:55 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-18 23:01:55 -0700
commit2ec8c6bb5d8f3a62a79f463525054bae1e3d4487 (patch)
treefa7f8400ac685fb52e96f64997c7c682fc2aa021 /tools/perf/util/include/linux/bitops.h
parent7b39f90fabcf9e2af0cd79d0a60440d821e22b56 (diff)
parent537b60d17894b7c19a6060feae40299d7109d6e7 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: include/linux/mod_devicetable.h scripts/mod/file2alias.c
Diffstat (limited to 'tools/perf/util/include/linux/bitops.h')
-rw-r--r--tools/perf/util/include/linux/bitops.h20
1 files changed, 9 insertions, 11 deletions
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h
index 8d63116e943..bb4ac2e0538 100644
--- a/tools/perf/util/include/linux/bitops.h
+++ b/tools/perf/util/include/linux/bitops.h
@@ -1,13 +1,12 @@
#ifndef _PERF_LINUX_BITOPS_H_
#define _PERF_LINUX_BITOPS_H_
-#define __KERNEL__
+#include <linux/kernel.h>
+#include <asm/hweight.h>
-#define CONFIG_GENERIC_FIND_NEXT_BIT
-#define CONFIG_GENERIC_FIND_FIRST_BIT
-#include "../../../../include/linux/bitops.h"
-
-#undef __KERNEL__
+#define BITS_PER_LONG __WORDSIZE
+#define BITS_PER_BYTE 8
+#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
static inline void set_bit(int nr, unsigned long *addr)
{
@@ -20,10 +19,9 @@ static __always_inline int test_bit(unsigned int nr, const unsigned long *addr)
(((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
}
-unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned
- long size, unsigned long offset);
-
-unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned
- long size, unsigned long offset);
+static inline unsigned long hweight_long(unsigned long w)
+{
+ return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
+}
#endif