Fix building warnings caused by redifinitions of HZ:
In file included from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
from include/linux/timex.h:63,
from include/linux/jiffies.h:8,
from include/linux/ktime.h:25,
from include/linux/timer.h:5,
from include/linux/workqueue.h:8,
from include/linux/srcu.h:34,
from include/linux/notifier.h:15,
from include/linux/memory_hotplug.h:6,
from include/linux/mmzone.h:777,
from include/linux/gfp.h:4,
from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:6:1: warning: "HZ" redefined
In file included from /ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:4,
from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
from include/linux/timex.h:63,
from include/linux/jiffies.h:8,
from include/linux/ktime.h:25,
from include/linux/timer.h:5,
from include/linux/workqueue.h:8,
from include/linux/srcu.h:34,
from include/linux/notifier.h:15,
from include/linux/memory_hotplug.h:6,
from include/linux/mmzone.h:777,
from include/linux/gfp.h:4,
from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/uapi/asm/param.h:6:1: warning: this is the location of the previous definition
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx>
Acked-by: Hans-Christian Egtvedt <egtvedt@xxxxxxxxxxxx>
Cc: Haavard Skinnemoen <hskinnemoen@xxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
arch/avr32/include/uapi/asm/param.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/avr32/include/uapi/asm/param.h b/arch/avr32/include/uapi/asm/param.h
index d28aa5e..abda103 100644
--- a/arch/avr32/include/uapi/asm/param.h
+++ b/arch/avr32/include/uapi/asm/param.h
@@ -2,7 +2,11 @@
#define _UAPI__ASM_AVR32_PARAM_H
-#ifndef HZ
+#ifndef __KERNEL__
+ /*
+ * Technically, this is wrong, but some old apps still refer to it.
+ * The proper way to get the HZ value is via sysconf(_SC_CLK_TCK).
+ */
# define HZ 100
#endif
--
1.8.1.2
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