cpumask: make cpumask_next() out-of-line

[sfrench/cifs-2.6.git] / lib / cpumask.c

diff --git a/lib/cpumask.c b/lib/cpumask.c
index 4731a0895760e70cab07d59a0cff45c2590da450..8b1a1bd77539386a580dc79347518c76beb97e1d 100644 (file)
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -5,6 +5,22 @@
 #include <linux/export.h>
 #include <linux/bootmem.h>
 
+/**
+ * cpumask_next - get the next cpu in a cpumask
+ * @n: the cpu prior to the place to search (ie. return will be > @n)
+ * @srcp: the cpumask pointer
+ *
+ * Returns >= nr_cpu_ids if no further cpus set.
+ */
+unsigned int cpumask_next(int n, const struct cpumask *srcp)
+{
+       /* -1 is a legal arg here. */
+       if (n != -1)
+               cpumask_check(n);
+       return find_next_bit(cpumask_bits(srcp), nr_cpumask_bits, n + 1);
+}
+EXPORT_SYMBOL(cpumask_next);
+
 /**
  * cpumask_next_and - get the next cpu in *src1p & *src2p
  * @n: the cpu prior to the place to search (ie. return will be > @n)