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-rw-r--r--include/linux/cpumask.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 60e56c6e03dd..9b702fd24a72 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -212,11 +212,12 @@ static inline void __cpus_shift_left(cpumask_t *dstp,
bitmap_shift_left(dstp->bits, srcp->bits, n, nbits);
}
-#define first_cpu(src) __first_cpu(&(src), NR_CPUS)
-static inline int __first_cpu(const cpumask_t *srcp, int nbits)
-{
- return min_t(int, nbits, find_first_bit(srcp->bits, nbits));
-}
+#ifdef CONFIG_SMP
+int __first_cpu(const cpumask_t *srcp);
+#define first_cpu(src) __first_cpu(&(src))
+#else
+#define first_cpu(src) 0
+#endif
#define next_cpu(n, src) __next_cpu((n), &(src), NR_CPUS)
static inline int __next_cpu(int n, const cpumask_t *srcp, int nbits)