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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-11 17:10:07 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-11 17:10:07 +1100
commite14eee56c2280953c6e3d24d5dce42bd90836b81 (patch)
tree21ab792d9ad6fbbab460058f352a0158f995644e /kernel/tsacct.c
parentd6ee6f7e4c74d9a0fed7544f4d389bde004651d3 (diff)
parent99adcd9d67aaf04e28f5ae96df280f236bde4b66 (diff)
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Merge commit 'origin/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 43f891b05a4..00d59d048ed 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);
}
}