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authorArjan van de Ven <arjan@linux.intel.com>2006-12-10 02:21:28 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-10 09:57:22 -0800
commit2b2842146cb4105877c2be51d3857ec61ebd4ff9 (patch)
tree526e19452cecf8a3669713bc35afcfa4e23bb296
parent[PATCH] user of the jiffies rounding code: JBD (diff)
downloadlinux-dev-2b2842146cb4105877c2be51d3857ec61ebd4ff9.tar.xz
linux-dev-2b2842146cb4105877c2be51d3857ec61ebd4ff9.zip
[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>
-rw-r--r--mm/slab.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 56af694c9e6a..2c655532f5ef 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -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