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| author | Tejun Heo <tj@kernel.org> | 2011-11-21 12:32:24 -0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-11-21 12:32:24 -0800 |
| commit | 376fede80e74d98b49d1ba9ac18f23c9fd026ddd (patch) | |
| tree | 78a48a9565efabba585dd9253c6f2c12966a995e | |
| parent | 85f1d476653f52c97ca75466b2494e67c1cbd25d (diff) | |
| download | linux-376fede80e74d98b49d1ba9ac18f23c9fd026ddd.tar.gz linux-376fede80e74d98b49d1ba9ac18f23c9fd026ddd.tar.bz2 linux-376fede80e74d98b49d1ba9ac18f23c9fd026ddd.zip | |
freezer: kill PF_FREEZING
With the previous changes, there's no meaningful difference between
PF_FREEZING and PF_FROZEN. Remove PF_FREEZING and use PF_FROZEN
instead in task_contributes_to_load().
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | include/linux/sched.h | 3 | ||||
| -rw-r--r-- | kernel/freezer.c | 6 |
2 files changed, 1 insertions, 8 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 68daf4f27e2c..d12bd03b688f 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -220,7 +220,7 @@ extern char ___assert_task_state[1 - 2*!!( ((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0) #define task_contributes_to_load(task) \ ((task->state & TASK_UNINTERRUPTIBLE) != 0 && \ - (task->flags & PF_FREEZING) == 0) + (task->flags & PF_FROZEN) == 0) #define __set_task_state(tsk, state_value) \ do { (tsk)->state = (state_value); } while (0) @@ -1773,7 +1773,6 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t * #define PF_MEMALLOC 0x00000800 /* Allocating memory */ #define PF_NPROC_EXCEEDED 0x00001000 /* set_user noticed that RLIMIT_NPROC was exceeded */ #define PF_USED_MATH 0x00002000 /* if unset the fpu must be initialized before use */ -#define PF_FREEZING 0x00004000 /* freeze in progress. do not account to load */ #define PF_NOFREEZE 0x00008000 /* this thread should not be frozen */ #define PF_FROZEN 0x00010000 /* frozen for system suspend */ #define PF_FSTRANS 0x00020000 /* inside a filesystem transaction */ diff --git a/kernel/freezer.c b/kernel/freezer.c index a257ecd37c48..b8b562124ba9 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -44,9 +44,6 @@ repeat: recalc_sigpending(); /* We sent fake signal, clean it up */ spin_unlock_irq(¤t->sighand->siglock); - /* prevent accounting of that task to load */ - current->flags |= PF_FREEZING; - for (;;) { set_current_state(TASK_UNINTERRUPTIBLE); if (!freezing(current) || @@ -56,9 +53,6 @@ repeat: schedule(); } - /* Remove the accounting blocker */ - current->flags &= ~PF_FREEZING; - /* leave FROZEN */ spin_lock_irq(&freezer_lock); if (freezing(current)) |