summaryrefslogtreecommitdiffstats
path: root/kernel/tsacct.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-03-13 01:29:17 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-13 01:29:17 +0100
commit3c1f67d60e2b4f4455563928999fd41cc653645d (patch)
tree0d58c145a05fb09167f1ab6882b474eccb1f3563 /kernel/tsacct.c
parent03d78913f01e8f6599823f00357ed17b32747d3d (diff)
parent9ead64974b05501bbac0d63a47c99fa786d064ba (diff)
downloadop-kernel-dev-3c1f67d60e2b4f4455563928999fd41cc653645d.zip
op-kernel-dev-3c1f67d60e2b4f4455563928999fd41cc653645d.tar.gz
Merge branch 'linus' into core/locking
Diffstat (limited to 'kernel/tsacct.c')
-rw-r--r--kernel/tsacct.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/tsacct.c b/kernel/tsacct.c
index 43f891b..00d59d0 100644
--- a/kernel/tsacct.c
+++ b/kernel/tsacct.c
@@ -122,8 +122,10 @@ void acct_update_integrals(struct task_struct *tsk)
if (likely(tsk->mm)) {
cputime_t time, dtime;
struct timeval value;
+ unsigned long flags;
u64 delta;
+ local_irq_save(flags);
time = tsk->stime + tsk->utime;
dtime = cputime_sub(time, tsk->acct_timexpd);
jiffies_to_timeval(cputime_to_jiffies(dtime), &value);
@@ -131,10 +133,12 @@ void acct_update_integrals(struct task_struct *tsk)
delta = delta * USEC_PER_SEC + value.tv_usec;
if (delta == 0)
- return;
+ goto out;
tsk->acct_timexpd = time;
tsk->acct_rss_mem1 += delta * get_mm_rss(tsk->mm);
tsk->acct_vm_mem1 += delta * tsk->mm->total_vm;
+ out:
+ local_irq_restore(flags);
}
}
OpenPOWER on IntegriCloud