diff options
| author |   Oleg Nesterov <oleg@tv-sign.ru> | 2006-10-28 10:38:53 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-28 11:30:54 -0700 |
| commit | b8534d7bd89df0cd41cd47bcd6733a05ea9a691a (patch) | |
| tree | c4650f417d7f05a9c645d6a0b1f64405ec4c8a39 /include/linux/sched.h | |
| parent | [PATCH] taskstats_tgid_alloc: optimization (diff) | |
| download | linux-dev-b8534d7bd89df0cd41cd47bcd6733a05ea9a691a.tar.xz linux-dev-b8534d7bd89df0cd41cd47bcd6733a05ea9a691a.zip | |
[PATCH] taskstats: kill ->taskstats_lock in favor of ->siglock
signal_struct is (mostly) protected by ->sighand->siglock, I think we don't
need ->taskstats_lock to protect ->stats. This also allows us to simplify the
locking in fill_tgid().
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Jay Lan <jlan@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 6735c1cf334c..eafe4a7b8237 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -466,7 +466,6 @@ struct signal_struct { struct pacct_struct pacct; /* per-process accounting information */ #endif #ifdef CONFIG_TASKSTATS - spinlock_t stats_lock; struct taskstats *stats; #endif }; |