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rename div64_64 to div64_u64

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Rename div64_64 to div64_u64 to make it consistent with the other divide
functions, so it clearly includes the type of the divide.  Move its definition
to math64.h as currently no architecture overrides the generic implementation.
 They can still override it of course, but the duplicated declarations are
avoided.

Signed-off-by: Roman Zippel <[email protected]>
Cc: Avi Kivity <[email protected]>
Cc: Russell King <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: David Howells <[email protected]>
Cc: Jeff Dike <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Patrick McHardy <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Roman Zippel 2008-05-01 04:34:28 -07:00 • committed by Linus Torvalds
commit 6f6d6a1a6a
16 changed files with 34 additions and 46 deletions
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6
kernel/sched.c
View file

@ -8025,7 +8025,7 @@ static void init_tg_cfs_entry(struct task_group *tg, struct cfs_rq *cfs_rq,
se->my_q = cfs_rq;
se->load.weight = tg->shares;
se->load.inv_weight = div64_64(1ULL<<32, se->load.weight);
se->load.inv_weight = div64_u64(1ULL<<32, se->load.weight);
se->parent = parent;
}
#endif
@ -8692,7 +8692,7 @@ static void __set_se_shares(struct sched_entity *se, unsigned long shares)
dequeue_entity(cfs_rq, se, 0);
se->load.weight = shares;
se->load.inv_weight = div64_64((1ULL<<32), shares);
se->load.inv_weight = div64_u64((1ULL<<32), shares);
if (on_rq)
enqueue_entity(cfs_rq, se, 0);
@ -8787,7 +8787,7 @@ static unsigned long to_ratio(u64 period, u64 runtime)
if (runtime == RUNTIME_INF)
return 1ULL << 16;
return div64_64(runtime << 16, period);
return div64_u64(runtime << 16, period);
}
#ifdef CONFIG_CGROUP_SCHED

4
kernel/sched_debug.c
View file

@ -357,8 +357,8 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
avg_per_cpu = p->se.sum_exec_runtime;
if (p->se.nr_migrations) {
avg_per_cpu = div64_64(avg_per_cpu,
p->se.nr_migrations);
avg_per_cpu = div64_u64(avg_per_cpu,
p->se.nr_migrations);
} else {
avg_per_cpu = -1LL;
}