datapath: Backport this_cpu_ptr to kernels < 2.6.33

[sliver-openvswitch.git] / datapath / linux / compat / include / asm / percpu.h

diff --git a/datapath/linux/compat/include/asm/percpu.h b/datapath/linux/compat/include/asm/percpu.h
new file mode 100644 (file)
index 0000000..404b937
--- /dev/null
+++ b/datapath/linux/compat/include/asm/percpu.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_PERCPU_WRAPPER_H
+#define __ASM_PERCPU_WRAPPER_H 1
+
+#include_next <asm/percpu.h>
+
+#ifndef this_cpu_ptr
+#define this_cpu_ptr(ptr) per_cpu_ptr(ptr, smp_processor_id())
+#endif
+
+#endif