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| author | Peter Zijlstra <peterz@infradead.org> | 2021-08-20 12:33:05 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-08-20 12:33:05 +0200 |
| commit | c94d89fafa49ba70fedbb01cb52dfbbdd7dc0986 (patch) | |
| tree | ca4af4efcc3ac38dcb26ccf99acf62f7d30ebcc3 /include/linux/mmu_context.h | |
| parent | 7c60610d476766e128cc4284bb6349732cbd6606 (diff) | |
| parent | 234b8ab6476c5edd5262e2ff563de9498d60044a (diff) | |
Merge branch 'sched/core'
Diffstat (limited to 'include/linux/mmu_context.h')
| -rw-r--r-- | include/linux/mmu_context.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/mmu_context.h b/include/linux/mmu_context.h index 03dee12d2b61..b9b970f7ab45 100644 --- a/include/linux/mmu_context.h +++ b/include/linux/mmu_context.h @@ -14,4 +14,18 @@ static inline void leave_mm(int cpu) { } #endif +/* + * CPUs that are capable of running user task @p. Must contain at least one + * active CPU. It is assumed that the kernel can run on all CPUs, so calling + * this for a kernel thread is pointless. + * + * By default, we assume a sane, homogeneous system. + */ +#ifndef task_cpu_possible_mask +# define task_cpu_possible_mask(p) cpu_possible_mask +# define task_cpu_possible(cpu, p) true +#else +# define task_cpu_possible(cpu, p) cpumask_test_cpu((cpu), task_cpu_possible_mask(p)) +#endif + #endif |