splice: fix error return code
[linux-2.6.git] / mm / thrash.c
index 19e428c..c4c5205 100644 (file)
@@ -24,7 +24,7 @@
 
 static DEFINE_SPINLOCK(swap_token_lock);
 struct mm_struct *swap_token_mm;
-unsigned int global_faults;
+static unsigned int global_faults;
 
 void grab_swap_token(void)
 {
@@ -48,9 +48,8 @@ void grab_swap_token(void)
                if (current_interval < current->mm->last_interval)
                        current->mm->token_priority++;
                else {
-                       current->mm->token_priority--;
-                       if (unlikely(current->mm->token_priority < 0))
-                               current->mm->token_priority = 0;
+                       if (likely(current->mm->token_priority > 0))
+                               current->mm->token_priority--;
                }
                /* Check if we deserve the token */
                if (current->mm->token_priority >