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authorHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>2009-12-02 17:26:47 +0900
committerIngo Molnar <mingo@elte.hu>2009-12-02 17:32:39 +0100
commitd99ca3b977fc5a93141304f571475c2af9e6c1c5 (patch)
tree7665ebdafcef46c310055021562e6629f59eafd5 /kernel/fork.c
parentbe8147e68625a1adb111acfd6b98a492be4b74d0 (diff)
downloadlinux-d99ca3b977fc5a93141304f571475c2af9e6c1c5.tar.bz2
sched, cputime: Cleanups related to task_times()
- Remove if({u,s}t)s because no one call it with NULL now. - Use cputime_{add,sub}(). - Add ifndef-endif for prev_{u,s}time since they are used only when !VIRT_CPU_ACCOUNTING. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Spencer Candland <spencer@bluehost.com> Cc: Americo Wang <xiyou.wangcong@gmail.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Stanislaw Gruszka <sgruszka@redhat.com> LKML-Reference: <4B1624C7.7040302@jp.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 166b8c49257c..ad7cb6d1193c 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1066,8 +1066,10 @@ static struct task_struct *copy_process(unsigned long clone_flags,
p->gtime = cputime_zero;
p->utimescaled = cputime_zero;
p->stimescaled = cputime_zero;
+#ifndef CONFIG_VIRT_CPU_ACCOUNTING
p->prev_utime = cputime_zero;
p->prev_stime = cputime_zero;
+#endif
p->default_timer_slack_ns = current->timer_slack_ns;