From b035b6de24932ffd4a2b1c6619a2f5711da6920f Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@openvz.org>
Date: Sat, 10 Feb 2007 01:45:10 -0800
Subject: [PATCH] Consolidate default sched_clock()

Use attribute(weak).

Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/sched.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'kernel')

diff --git a/kernel/sched.c b/kernel/sched.c
index cca93cc0dd7d..1cd4ee769e20 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -56,6 +56,16 @@
 
 #include <asm/unistd.h>
 
+/*
+ * Scheduler clock - returns current time in nanosec units.
+ * This is default implementation.
+ * Architectures and sub-architectures can override this.
+ */
+unsigned long long __attribute__((weak)) sched_clock(void)
+{
+	return (unsigned long long)jiffies * (1000000000 / HZ);
+}
+
 /*
  * Convert user-nice values [ -20 ... 0 ... 19 ]
  * to static priority [ MAX_RT_PRIO..MAX_PRIO-1 ],
-- 
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