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[PATCH] user of the jiffies rounding patch: Slab 

This patch introduces users of the round_jiffies() function in the slab code.

The slab code has a few "run every second" timers for background work; these
are obviously not timing critical as long as they happen roughly at the right
frequency.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Arjan van de Ven 2006-12-10 02:21:28 -08:00 committed by Linus Torvalds
parent 44d306e150
commit 2b2842146c
1 changed files with 5 additions and 3 deletions
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8
mm/slab.c
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@ -946,7 +946,8 @@ static void __devinit start_cpu_timer(int cpu)
if (keventd_up() && reap_work->work.func == NULL) {
init_reap_node(cpu);
INIT_DELAYED_WORK(reap_work, cache_reap);
schedule_delayed_work_on(cpu, reap_work, HZ + 3 * cpu);
schedule_delayed_work_on(cpu, reap_work,
__round_jiffies_relative(HZ, cpu));
}
}
@ -4006,7 +4007,7 @@ static void cache_reap(struct work_struct *unused)
if (!mutex_trylock(&cache_chain_mutex)) {
/* Give up. Setup the next iteration. */
schedule_delayed_work(&__get_cpu_var(reap_work),
REAPTIMEOUT_CPUC);
round_jiffies_relative(REAPTIMEOUT_CPUC));
return;
}
@ -4052,7 +4053,8 @@ next:
next_reap_node();
refresh_cpu_vm_stats(smp_processor_id());
/* Set up the next iteration */
schedule_delayed_work(&__get_cpu_var(reap_work), REAPTIMEOUT_CPUC);
schedule_delayed_work(&__get_cpu_var(reap_work),
round_jiffies_relative(REAPTIMEOUT_CPUC));
}
#ifdef CONFIG_PROC_FS