diff options
| author | Mike Travis <travis@sgi.com> | 2008-04-04 18:11:08 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-19 19:44:59 +0200 |
| commit | b53e921ba1cff8453dc9a87a84052fa12d5b30bd (patch) | |
| tree | 021cadb6c58543ecccd95b55fc319f249ebf176e /kernel/rcupreempt.c | |
| parent | f9a86fcbbb1e5542eabf45c9144ac4b6330861a4 (diff) | |
| download | linux-b53e921ba1cff8453dc9a87a84052fa12d5b30bd.tar.bz2 | |
generic: reduce stack pressure in sched_affinity
* Modify sched_affinity functions to pass cpumask_t variables by reference
instead of by value.
* Use new set_cpus_allowed_ptr function.
Depends on:
[sched-devel]: sched: add new set_cpus_allowed_ptr function
Cc: Paul Jackson <pj@sgi.com>
Cc: Cliff Wickman <cpw@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/rcupreempt.c')
| -rw-r--r-- | kernel/rcupreempt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c index e9517014b57c..e1cdf196a515 100644 --- a/kernel/rcupreempt.c +++ b/kernel/rcupreempt.c @@ -1007,10 +1007,10 @@ void __synchronize_sched(void) if (sched_getaffinity(0, &oldmask) < 0) oldmask = cpu_possible_map; for_each_online_cpu(cpu) { - sched_setaffinity(0, cpumask_of_cpu(cpu)); + sched_setaffinity(0, &cpumask_of_cpu(cpu)); schedule(); } - sched_setaffinity(0, oldmask); + sched_setaffinity(0, &oldmask); } EXPORT_SYMBOL_GPL(__synchronize_sched); |