Messages in this thread Patch in this message | | | Date | Thu, 27 Oct 2005 01:53:47 -0700 (PDT) | From | Paul Jackson <> | Subject | [PATCH] sched hardcode non-smp set_cpus_allowed |
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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.
Signed-off-by: Paul Jackson <pj@sgi.com>
---
include/linux/sched.h | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-)
--- 2.6.14-rc5-mm1.orig/include/linux/sched.h 2005-10-27 00:26:36.000000000 -0700 +++ 2.6.14-rc5-mm1/include/linux/sched.h 2005-10-27 00:35:34.000000000 -0700 @@ -945,7 +945,7 @@ extern int set_cpus_allowed(task_t *p, c #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; } -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson <pj@sgi.com> 1.650.933.1373, 1.925.600.0401 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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