Adapts delayacct to use Task Watchers. Does not adapt taskstats to use Task<snip>
Watchers.
Signed-off-by: Matt Helsley <matthltc@xxxxxxxxxx>
Cc: Shailabh Nagar <nagar@xxxxxxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxx>
Cc: Chandra S. Seetharaman <sekharan@xxxxxxxxxx>
--
include/linux/delayacct.h | 2 +-
kernel/delayacct.c | 23 +++++++++++++++++++++++
kernel/exit.c | 2 --
kernel/fork.c | 2 --
4 files changed, 24 insertions(+), 5 deletions(-)
Index: linux-2.6.17-rc5-mm2/include/linux/delayacct.h
===================================================================
--- linux-2.6.17-rc5-mm2.orig/include/linux/delayacct.h
+++ linux-2.6.17-rc5-mm2/include/linux/delayacct.h
@@ -59,11 +59,11 @@ static inline void delayacct_tsk_init(st
__delayacct_tsk_init(tsk);
}
static inline void delayacct_tsk_exit(struct task_struct *tsk)
{
- if (tsk->delays)
+ if (unlikely(tsk->delays))
__delayacct_tsk_exit(tsk);
}