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authorDaniel Kiper <dkiper@net-space.pl>2011-03-08 22:47:39 +0100
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-03-14 11:34:20 -0400
commit95170b2e23d4e98843b4833d27fae7bf0910e19c (patch)
treea9b76ba407c43b923a757ec2c85004bbd5e066b7 /drivers/xen/balloon.c
parent06f521d5d67a23d91add6f1beb73edc6f2b70d0c (diff)
xen/balloon: Migration from mod_timer() to schedule_delayed_work()
Migration from mod_timer() to schedule_delayed_work(). Signed-off-by: Daniel Kiper <dkiper@net-space.pl> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen/balloon.c')
-rw-r--r--drivers/xen/balloon.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index b4206fd6b1b9..9206ff7514e7 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -99,8 +99,7 @@ static LIST_HEAD(ballooned_pages);
/* Main work function, always executed in process context. */
static void balloon_process(struct work_struct *work);
-static DECLARE_WORK(balloon_worker, balloon_process);
-static struct timer_list balloon_timer;
+static DECLARE_DELAYED_WORK(balloon_worker, balloon_process);
/* When ballooning out (allocating memory to return to Xen) we don't really
want the kernel to try too hard since that can trigger the oom killer. */
@@ -172,11 +171,6 @@ static struct page *balloon_next_page(struct page *page)
return list_entry(next, struct page, lru);
}
-static void balloon_alarm(unsigned long unused)
-{
- schedule_work(&balloon_worker);
-}
-
static unsigned long current_target(void)
{
unsigned long target = balloon_stats.target_pages;
@@ -333,7 +327,7 @@ static void balloon_process(struct work_struct *work)
/* Schedule more work if there is some still to be done. */
if (current_target() != balloon_stats.current_pages)
- mod_timer(&balloon_timer, jiffies + HZ);
+ schedule_delayed_work(&balloon_worker, HZ);
mutex_unlock(&balloon_mutex);
}
@@ -343,7 +337,7 @@ static void balloon_set_new_target(unsigned long target)
{
/* No need for lock. Not read-modify-write updates. */
balloon_stats.target_pages = target;
- schedule_work(&balloon_worker);
+ schedule_delayed_work(&balloon_worker, 0);
}
static struct xenbus_watch target_watch =
@@ -400,10 +394,6 @@ static int __init balloon_init(void)
balloon_stats.balloon_low = 0;
balloon_stats.balloon_high = 0;
- init_timer(&balloon_timer);
- balloon_timer.data = 0;
- balloon_timer.function = balloon_alarm;
-
register_balloon(&balloon_sysdev);
/*