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authorJames Morris <jmorris@namei.org>2009-03-24 10:52:46 +1100
committerJames Morris <jmorris@namei.org>2009-03-24 10:52:46 +1100
commit703a3cd72817e99201cef84a8a7aecc60b2b3581 (patch)
tree3e943755178ff410694722bb031f523136fbc432 /kernel/tsacct.c
parentdf7f54c012b92ec93d56b68547351dcdf8a163d3 (diff)
parent8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff)
downloadlinux-703a3cd72817e99201cef84a8a7aecc60b2b3581.tar.bz2
Merge branch 'master' into next
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 43f891b05a4b..00d59d048edf 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);
}
}