diff options
| author | Paul Jackson <pj@sgi.com> | 2005-10-31 02:03:21 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-31 04:37:28 +0300 |
| commit | 4098f9918e068e51fed1727f6ba80efcec372378 (patch) | |
| tree | 0495f14e29ad93c165988be49c70ec658fffd086 | |
| parent | 70a6a0cb92f24fd6bbe2e75299168909f735676a (diff) | |
| download | linux-4098f9918e068e51fed1727f6ba80efcec372378.tar.xz | |
[PATCH] sched: hardcode non-smp set_cpus_allowed
Simplify the UP (1 CPU) implementatin of set_cpus_allowed.
The one CPU is hardcoded to be cpu 0 - so just test for that bit, and avoid
having to pick up the cpu_online_map.
Also, unexport cpu_online_map: it was only needed for set_cpus_allowed().
Signed-off-by: Paul Jackson <pj@sgi.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | include/linux/sched.h | 2 | ||||
| -rw-r--r-- | kernel/sched.c | 1 |
2 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index b2d2dc14f0b9..41285a0e7258 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -940,7 +940,7 @@ extern int set_cpus_allowed(task_t *p, cpumask_t new_mask); #else static inline int set_cpus_allowed(task_t *p, cpumask_t new_mask) { - if (!cpus_intersects(new_mask, cpu_online_map)) + if (!cpu_isset(0, new_mask)) return -EINVAL; return 0; } diff --git a/kernel/sched.c b/kernel/sched.c index 4f26c544d02c..340dd238c16d 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3877,7 +3877,6 @@ EXPORT_SYMBOL(cpu_present_map); #ifndef CONFIG_SMP cpumask_t cpu_online_map = CPU_MASK_ALL; -EXPORT_SYMBOL_GPL(cpu_online_map); cpumask_t cpu_possible_map = CPU_MASK_ALL; #endif |