[PATCH v1 1/1] bitops: Share BYTES_TO_BITS() for everyone

[Andy Shevchenko]

It may be new callers for the same macro, share it.

Note, it's unknown why it's represented in the current form instead of
simple multiplication and commit 1ff511e35ed8 ("tracing/kprobes: Add
bitfield type") doesn't explain that neither. Let leave it as is and
we may improve it in the future.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 include/linux/bitops.h     | 2 ++
 kernel/trace/trace_probe.c | 3 +--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 2ba557e067fe..66dc091e0c28 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -21,6 +21,8 @@
 #define BITS_TO_U32(nr)		__KERNEL_DIV_ROUND_UP(nr, BITS_PER_TYPE(u32))
 #define BITS_TO_BYTES(nr)	__KERNEL_DIV_ROUND_UP(nr, BITS_PER_TYPE(char))
 
+#define BYTES_TO_BITS(nb)	((BITS_PER_LONG * (nb)) / sizeof(long))
+
 extern unsigned int __sw_hweight8(unsigned int w);
 extern unsigned int __sw_hweight16(unsigned int w);
 extern unsigned int __sw_hweight32(unsigned int w);
diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
index c68a72707852..da6297d24d61 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -11,6 +11,7 @@
  */
 #define pr_fmt(fmt)	"trace_probe: " fmt
 
+#include <linux/bitops.h>
 #include <linux/bpf.h>
 
 #include "trace_probe.h"
@@ -830,8 +831,6 @@ parse_probe_arg(char *arg, const struct fetch_type *type,
 	return ret;
 }
 
-#define BYTES_TO_BITS(nb)	((BITS_PER_LONG * (nb)) / sizeof(long))
-
 /* Bitfield type needs to be parsed into a fetch function */
 static int __parse_bitfield_probe_arg(const char *bf,
 				      const struct fetch_type *t,
-- 
2.40.0.1.gaa8946217a0b