diff options
| author | Nick Piggin <nickpiggin@yahoo.com.au> | 2004-08-23 21:08:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-08-23 21:08:17 -0700 |
| commit | c15d3bea6f1d48d6f4e23afcfa3282144b948207 (patch) | |
| tree | 01ab7c7e718b04511bf1d6bad865715460445c14 /kernel | |
| parent | b4f14b649f7c28041795cb728b71bab2fcf8cbef (diff) | |
[PATCH] sched: remove balance on clone
This removes balance on clone capability altogether. I told Andi we wouldn't
remove it yet, but provided it is in a single small patch, he mightn't get too
upset.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 2 | ||||
| -rw-r--r-- | kernel/sched.c | 24 |
2 files changed, 3 insertions, 23 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index bf522f2f33ca..2ac003c78a72 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1030,7 +1030,7 @@ struct task_struct *copy_process(unsigned long clone_flags, p->pdeath_signal = 0; /* Perform scheduler related setup */ - sched_fork(p, clone_flags); + sched_fork(p); /* * Ok, make it visible to the rest of the system. diff --git a/kernel/sched.c b/kernel/sched.c index 21d777561e71..139a5da891b1 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -874,30 +874,10 @@ static int find_idlest_cpu(struct task_struct *p, int this_cpu, * Perform scheduler related setup for a newly forked process p. * p is forked by current. The cpu hotplug lock is held. */ -void fastcall sched_fork(task_t *p, unsigned long clone_flags) +void fastcall sched_fork(task_t *p) { - int cpu; -#ifdef CONFIG_SMP - struct sched_domain *tmp, *sd = NULL; - preempt_disable(); - cpu = smp_processor_id(); + int cpu = smp_processor_id(); - if ((clone_flags & (CLONE_VM|CLONE_VFORK)) == CLONE_VM) { - /* - * New thread that is not a vfork. - * Find the largest domain that this CPU is part of that - * is willing to balance on clone: - */ - for_each_domain(cpu, tmp) - if (tmp->flags & SD_BALANCE_CLONE) - sd = tmp; - if (sd) - cpu = find_idlest_cpu(p, cpu, sd); - } - preempt_enable(); -#else - cpu = smp_processor_id(); -#endif /* * The task hasn't been attached yet, so cpus_allowed mask cannot * change. The cpus_allowed mask of the parent may have changed |