[PATCH 6/6] lib/refcount: Consolidate REFCOUNT_{MAX,SATURATED} definitions

[Will Deacon]

The definitions of REFCOUNT_MAX and REFCOUNT_SATURATED are the same,
regardless of CONFIG_REFCOUNT_FULL, so consolidate them into a single
pair of definitions.

Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Elena Reshetova <elena.reshetova@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Signed-off-by: Will Deacon <will@xxxxxxxxxx>
---
 include/linux/refcount.h | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/include/linux/refcount.h b/include/linux/refcount.h
index eea17f39c4df..814131d492e9 100644
--- a/include/linux/refcount.h
+++ b/include/linux/refcount.h
@@ -22,6 +22,8 @@ typedef struct refcount_struct {
 } refcount_t;
 
 #define REFCOUNT_INIT(n)	{ .refs = ATOMIC_INIT(n), }
+#define REFCOUNT_MAX		INT_MAX
+#define REFCOUNT_SATURATED	(INT_MIN / 2)
 
 /**
  * refcount_set - set a refcount's value
@@ -47,9 +49,6 @@ static inline unsigned int refcount_read(const refcount_t *r)
 #ifdef CONFIG_REFCOUNT_FULL
 #include <linux/bug.h>
 
-#define REFCOUNT_MAX		INT_MAX
-#define REFCOUNT_SATURATED	(INT_MIN / 2)
-
 /*
  * Variant of atomic_t specialized for reference counts.
  *
@@ -261,10 +260,6 @@ static inline void refcount_dec(refcount_t *r)
 	}
 }
 #else /* CONFIG_REFCOUNT_FULL */
-
-#define REFCOUNT_MAX		INT_MAX
-#define REFCOUNT_SATURATED	(INT_MIN / 2)
-
 # ifdef CONFIG_ARCH_HAS_REFCOUNT
 #  include <asm/refcount.h>
 # else
-- 
2.11.0