WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

[Xen-devel] [PATCH R4 3/7] xen/balloon: Migration from mod_timer() to sc

Migration from mod_timer() to schedule_delayed_work().

Signed-off-by: Daniel Kiper <dkiper@xxxxxxxxxxxx>
---
 drivers/xen/balloon.c |   16 +++-------------
 1 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 952cfe2..4223f64 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);
 
        /*
-- 
1.5.6.5

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-devel] [PATCH R4 3/7] xen/balloon: Migration from mod_timer() to schedule_delayed_work(), Daniel Kiper <=