percpu: fix __this_cpu_{sub,inc,dec}_return() definition
This patch adds missed "__" prefixes, otherwise these functions
works as irq/preemption safe.
Reported-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 594c004..21638ae 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -722,9 +722,9 @@
__pcpu_size_call_return2(__this_cpu_add_return_, pcp, val)
#endif
-#define __this_cpu_sub_return(pcp, val) this_cpu_add_return(pcp, -(val))
-#define __this_cpu_inc_return(pcp) this_cpu_add_return(pcp, 1)
-#define __this_cpu_dec_return(pcp) this_cpu_add_return(pcp, -1)
+#define __this_cpu_sub_return(pcp, val) __this_cpu_add_return(pcp, -(val))
+#define __this_cpu_inc_return(pcp) __this_cpu_add_return(pcp, 1)
+#define __this_cpu_dec_return(pcp) __this_cpu_add_return(pcp, -1)
#define __this_cpu_generic_xchg(pcp, nval) \
({ typeof(pcp) ret__; \