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sched, timers: cleanup avenrun users

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avenrun is an rough estimate so we don't have to worry about
consistency of the three avenrun values. Remove the xtime lock
dependency and provide a function to scale the values. Cleanup the
users.

[ Impact: cleanup ]

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
This commit is contained in:
Thomas Gleixner 2009-05-02 20:08:52 +02:00
commit 2d02494f5a
4 changed files with 28 additions and 38 deletions
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1
include/linux/sched.h
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@ -116,6 +116,7 @@ struct fs_struct;
* 11 bit fractions.
*/
extern unsigned long avenrun[]; /* Load averages */
extern void get_avenrun(unsigned long *loads, unsigned long offset, int shift);
#define FSHIFT 11 /* nr of bits of precision */
#define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */