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Diffstat (limited to 'arch/x86/include/asm/atomic.h')
-rw-r--r--arch/x86/include/asm/atomic.h24
1 files changed, 0 insertions, 24 deletions
diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index 250b8774c15..b6c3b821acf 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -240,30 +240,6 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
return c;
}
-
-/*
- * atomic_dec_if_positive - decrement by 1 if old value positive
- * @v: pointer of type atomic_t
- *
- * The function returns the old value of *v minus 1, even if
- * the atomic variable, v, was not decremented.
- */
-static inline int atomic_dec_if_positive(atomic_t *v)
-{
- int c, old, dec;
- c = atomic_read(v);
- for (;;) {
- dec = c - 1;
- if (unlikely(dec < 0))
- break;
- old = atomic_cmpxchg((v), c, dec);
- if (likely(old == c))
- break;
- c = old;
- }
- return dec;
-}
-
/**
* atomic_inc_short - increment of a short integer
* @v: pointer to type int