- patches.fixes/patch-2.6.11-rc1: 2.6.11-rc1.

[linux-flexiantxendom0-3.2.10.git] / kernel / acct.c

diff --git a/kernel/acct.c b/kernel/acct.c
index 4a3bd22..32e39ac 100644 (file)
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -528,3 +528,36 @@ void acct_process(long exitcode)
        do_acct_process(exitcode, file);
        fput(file);
 }
+
+
+/*
+ * acct_update_integrals
+ *    -  update mm integral fields in task_struct
+ */
+void acct_update_integrals(void)
+{
+       struct task_struct *tsk = current;
+
+       if (likely(tsk->mm)) {
+               long delta = tsk->stime - tsk->acct_stimexpd;
+
+               if (delta == 0)
+                       return;
+               tsk->acct_stimexpd = tsk->stime;
+               tsk->acct_rss_mem1 += delta * tsk->mm->rss;
+               tsk->acct_vm_mem1 += delta * tsk->mm->total_vm;
+       }
+}
+
+/*
+ * acct_clear_integrals
+ *    - clear the mm integral fields in task_struct
+ */
+void acct_clear_integrals(struct task_struct *tsk)
+{
+       if (tsk) {
+               tsk->acct_stimexpd = 0;
+               tsk->acct_rss_mem1 = 0;
+               tsk->acct_vm_mem1 = 0;
+       }
+}