1 files changed, 14 insertions, 9 deletions

diff --git a/kernel/slow-work.c b/kernel/slow-work.c
index 521ed2004d63..09d7519557d3 100644
--- a/kernel/slow-work.c
+++ b/kernel/slow-work.c
@@ -319,6 +319,15 @@ cant_get_ref:
 EXPORT_SYMBOL(slow_work_enqueue);
 
 /*
+ * Schedule a cull of the thread pool at some time in the near future
+ */
+static void slow_work_schedule_cull(void)
+{
+        mod_timer(&slow_work_cull_timer,
+                  round_jiffies(jiffies + SLOW_WORK_CULL_TIMEOUT));
+}
+
+/*
  * Worker thread culling algorithm
  */
 static bool slow_work_cull_thread(void)
@@ -335,8 +344,7 @@ static bool slow_work_cull_thread(void)
                     list_empty(&vslow_work_queue) &&
                     atomic_read(&slow_work_thread_count) >
                     slow_work_min_threads) {
-                        mod_timer(&slow_work_cull_timer,
-                                  jiffies + SLOW_WORK_CULL_TIMEOUT);
+                        slow_work_schedule_cull();
                         do_cull = true;
                 }
         }
@@ -393,8 +401,7 @@ static int slow_work_thread(void *_data)
                             list_empty(&vslow_work_queue) &&
                             atomic_read(&slow_work_thread_count) >
                             slow_work_min_threads)
-                                mod_timer(&slow_work_cull_timer,
-                                          jiffies + SLOW_WORK_CULL_TIMEOUT);
+                                slow_work_schedule_cull();
                         continue;
                 }
 
@@ -458,7 +465,7 @@ static void slow_work_new_thread_execute(struct slow_work *work)
                 if (atomic_dec_and_test(&slow_work_thread_count))
                         BUG(); /* we're running on a slow work thread... */
                 mod_timer(&slow_work_oom_timer,
-                          jiffies + SLOW_WORK_OOM_TIMEOUT);
+                          round_jiffies(jiffies + SLOW_WORK_OOM_TIMEOUT));
         } else {
                 /* ratelimit the starting of new threads */
                 mod_timer(&slow_work_oom_timer, jiffies + 1);
@@ -502,8 +509,7 @@ static int slow_work_min_threads_sysctl(struct ctl_table *table, int write,
                         if (n < 0 && !slow_work_may_not_start_new_thread)
                                 slow_work_enqueue(&slow_work_new_thread);
                         else if (n > 0)
-                                mod_timer(&slow_work_cull_timer,
-                                          jiffies + SLOW_WORK_CULL_TIMEOUT);
+                                slow_work_schedule_cull();
                 }
                 mutex_unlock(&slow_work_user_lock);
         }
@@ -529,8 +535,7 @@ static int slow_work_max_threads_sysctl(struct ctl_table *table, int write,
                                 atomic_read(&slow_work_thread_count);
 
                         if (n < 0)
-                                mod_timer(&slow_work_cull_timer,
-                                          jiffies + SLOW_WORK_CULL_TIMEOUT);
+                                slow_work_schedule_cull();
                 }
                 mutex_unlock(&slow_work_user_lock);
         }