These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / s390 / include / asm / numa.h

diff --git a/kernel/arch/s390/include/asm/numa.h b/kernel/arch/s390/include/asm/numa.h
new file mode 100644 (file)
index 0000000..dc19ee0
--- /dev/null
+++ b/kernel/arch/s390/include/asm/numa.h
@@ -0,0 +1,35 @@
+/*
+ * NUMA support for s390
+ *
+ * Declare the NUMA core code structures and functions.
+ *
+ * Copyright IBM Corp. 2015
+ */
+
+#ifndef _ASM_S390_NUMA_H
+#define _ASM_S390_NUMA_H
+
+#ifdef CONFIG_NUMA
+
+#include <linux/numa.h>
+#include <linux/cpumask.h>
+
+void numa_setup(void);
+int numa_pfn_to_nid(unsigned long pfn);
+int __node_distance(int a, int b);
+void numa_update_cpu_topology(void);
+
+extern cpumask_t node_to_cpumask_map[MAX_NUMNODES];
+extern int numa_debug_enabled;
+
+#else
+
+static inline void numa_setup(void) { }
+static inline void numa_update_cpu_topology(void) { }
+static inline int numa_pfn_to_nid(unsigned long pfn)
+{
+       return 0;
+}
+
+#endif /* CONFIG_NUMA */
+#endif /* _ASM_S390_NUMA_H */